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<script src="https://snack.expo.io/embed.js" defer="defer"></script><title data-react-helmet="true">🚧 AsyncStorage · React Native</title><meta data-react-helmet="true" name="twitter:image:alt" content="Image for React Native"><meta data-react-helmet="true" name="docsearch:language" content="en"><meta data-react-helmet="true" name="docsearch:version" content="0.63"><meta data-react-helmet="true" name="docsearch:docusaurus_tag" content="docs-default-0.63"><meta data-react-helmet="true" property="og:image" content="https://reactnative.dev/img/logo-og.png"><meta data-react-helmet="true" name="twitter:card" content="summary"><meta data-react-helmet="true" name="twitter:image" content="https://reactnative.dev/img/logo-og.png"><meta data-react-helmet="true" property="og:title" content="🚧 AsyncStorage · React Native"><meta data-react-helmet="true" name="description" content="Deprecated. Use one of the community packages instead."><meta data-react-helmet="true" property="og:description" content="Deprecated. Use one of the community packages instead."><meta data-react-helmet="true" property="og:url" content="https://reactnative.dev/docs/asyncstorage"><link data-react-helmet="true" rel="shortcut icon" href="/img/favicon.ico"><link data-react-helmet="true" rel="preconnect" href="https://BH4D9OD16A-dsn.algolia.net" crossorigin="anonymous"><link data-react-helmet="true" rel="canonical" href="https://reactnative.dev/docs/asyncstorage"><link rel="stylesheet" href="/styles.9eb50f2e.css">
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target="_blank" rel="noopener noreferrer" class="menu__link navbar-github-link" aria-label="GitHub repository"></a></li></ul></div></div></div></nav><div class="main-wrapper"><div class="docPage_1mVJ"><main class="docMainContainer_1zi2"><div class="container padding-vert--lg docItemWrapper_1hMI"><div class="row"><div class="col docItemCol_2AGf"><div class="docItemContainer_1tAC"><article><header><h1 class="docTitle_cWlf">🚧 AsyncStorage</h1></header><div class="markdown"><blockquote><p><strong>Deprecated.</strong> Use one of the <a href="https://reactnative.directory/?search=storage" target="_blank" rel="noopener noreferrer">community packages</a> instead.</p></blockquote><p><code>AsyncStorage</code> is an unencrypted, asynchronous, persistent, key-value storage system that is global to the app. It should be used instead of LocalStorage.</p><p>It is recommended that you use an abstraction on top of <code>AsyncStorage</code> instead of <code>AsyncStorage</code> directly for anything more than light usage since it operates globally.</p><p>On iOS, <code>AsyncStorage</code> is backed by native code that stores small values in a serialized dictionary and larger values in separate files. On Android, <code>AsyncStorage</code> will use either <a href="http://rocksdb.org/" target="_blank" rel="noopener noreferrer">RocksDB</a> or SQLite based on what is available.</p><p>The <code>AsyncStorage</code> JavaScript code is a facade that provides a clear JavaScript API, real <code>Error</code> objects, and non-multi functions. Each method in the API returns a <code>Promise</code> object.</p><p>Importing the <code>AsyncStorage</code> library:</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token keyword" style="color:#c5a5c5">import</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"> AsyncStorage </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">from</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'react-native'</span><span class="token punctuation" style="color:#657b83">;</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>Persisting data:</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token function-variable function" style="color:#79b6f2">_storeData</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">async</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">try</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">await</span><span class="token plain"> AsyncStorage</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">setItem</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token string" style="color:#8dc891">'@MySuperStore:key'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token string" style="color:#8dc891">'I like to save it.'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">catch</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">error</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token comment" style="color:#93a1a1">// Error saving data</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">;</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>Fetching data:</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token function-variable function" style="color:#79b6f2">_retrieveData</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">async</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">try</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">const</span><span class="token plain"> value </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">await</span><span class="token plain"> AsyncStorage</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">getItem</span><span class="token punctuation" style="color:#657b83">(</span><span class="token string" style="color:#8dc891">'TASKS'</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">if</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">value </span><span class="token operator" style="color:#fc929e">!==</span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">null</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token comment" style="color:#93a1a1">// We have data!!</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> console</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">log</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">value</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">catch</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">error</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token comment" style="color:#93a1a1">// Error retrieving data</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">;</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><hr><h1><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_E4oP" id="reference"></a>Reference<a class="hash-link" href="#reference" title="Direct link to heading">#</a></h1><h2><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_E4oP" id="methods"></a>Methods<a class="hash-link" href="#methods" title="Direct link to heading">#</a></h2><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_E4oP" id="getitem"></a><code>getItem()</code><a class="hash-link" href="#getitem" title="Direct link to heading">#</a></h3><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token keyword" style="color:#c5a5c5">static</span><span class="token plain"> </span><span class="token function" style="color:#79b6f2">getItem</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">key</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> string</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">callback</span><span class="token punctuation" style="color:#657b83">]</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token punctuation" style="color:#657b83">(</span><span class="token parameter">error</span><span class="token parameter operator" style="color:#fc929e">:</span><span class="token parameter"> </span><span class="token parameter operator" style="color:#fc929e">?</span><span class="token parameter">Error</span><span class="token parameter punctuation" style="color:#657b83">,</span><span class="token parameter"> result</span><span class="token parameter operator" style="color:#fc929e">:</span><span class="token parameter"> </span><span class="token parameter operator" style="color:#fc929e">?</span><span class="token parameter">string</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">void</span><span class="token punctuation" style="color:#657b83">)</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>Fetches an item for a <code>key</code> and invokes a callback upon completion. Returns a <code>Promise</code> object.</p><p><strong>Parameters:</strong></p><table><thead><tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr></thead><tbody><tr><td>key</td><td>string</td><td>Yes</td><td>Key of the item to fetch.</td></tr><tr><td>callback</td><td>?(error: ?Error, result: ?string) => void</td><td>No</td><td>Function that will be called with a result if found or any error.</td></tr></tbody></table><hr><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_E4oP" id="setitem"></a><code>setItem()</code><a class="hash-link" href="#setitem" title="Direct link to heading">#</a></h3><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token keyword" style="color:#c5a5c5">static</span><span class="token plain"> </span><span class="token function" style="color:#79b6f2">setItem</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">key</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> string</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> value</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> string</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">callback</span><span class="token punctuation" style="color:#657b83">]</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token punctuation" style="color:#657b83">(</span><span class="token parameter">error</span><span class="token parameter operator" style="color:#fc929e">:</span><span class="token parameter"> </span><span class="token parameter operator" style="color:#fc929e">?</span><span class="token parameter">Error</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">void</span><span class="token punctuation" style="color:#657b83">)</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>Sets the value for a <code>key</code> and invokes a callback upon completion. Returns a <code>Promise</code> object.</p><p><strong>Parameters:</strong></p><table><thead><tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr></thead><tbody><tr><td>key</td><td>string</td><td>Yes</td><td>Key of the item to set.</td></tr><tr><td>value</td><td>string</td><td>Yes</td><td>Value to set for the <code>key</code>.</td></tr><tr><td>callback</td><td>?(error: ?Error) => void</td><td>No</td><td>Function that will be called with any error.</td></tr></tbody></table><hr><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_E4oP" id="removeitem"></a><code>removeItem()</code><a class="hash-link" href="#removeitem" title="Direct link to heading">#</a></h3><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token keyword" style="color:#c5a5c5">static</span><span class="token plain"> </span><span class="token function" style="color:#79b6f2">removeItem</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">key</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> string</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">callback</span><span class="token punctuation" style="color:#657b83">]</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token punctuation" style="color:#657b83">(</span><span class="token parameter">error</span><span class="token parameter operator" style="color:#fc929e">:</span><span class="token parameter"> </span><span class="token parameter operator" style="color:#fc929e">?</span><span class="token parameter">Error</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">void</span><span class="token punctuation" style="color:#657b83">)</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>Removes an item for a <code>key</code> and invokes a callback upon completion. Returns a <code>Promise</code> object.</p><p><strong>Parameters:</strong></p><table><thead><tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr></thead><tbody><tr><td>key</td><td>string</td><td>Yes</td><td>Key of the item to remove.</td></tr><tr><td>callback</td><td>?(error: ?Error) => void</td><td>No</td><td>Function that will be called with any error.</td></tr></tbody></table><hr><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_E4oP" id="mergeitem"></a><code>mergeItem()</code><a class="hash-link" href="#mergeitem" title="Direct link to heading">#</a></h3><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token keyword" style="color:#c5a5c5">static</span><span class="token plain"> </span><span class="token function" style="color:#79b6f2">mergeItem</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">key</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> string</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> value</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> string</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">callback</span><span class="token punctuation" style="color:#657b83">]</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token punctuation" style="color:#657b83">(</span><span class="token parameter">error</span><span class="token parameter operator" style="color:#fc929e">:</span><span class="token parameter"> </span><span class="token parameter operator" style="color:#fc929e">?</span><span class="token parameter">Error</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">void</span><span class="token punctuation" style="color:#657b83">)</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>Merges an existing <code>key</code> value with an input value, assuming both values are stringified JSON. Returns a <code>Promise</code> object.</p><p><strong>NOTE:</strong> This is not supported by all native implementations.</p><p><strong>Parameters:</strong></p><table><thead><tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr></thead><tbody><tr><td>key</td><td>string</td><td>Yes</td><td>Key of the item to modify.</td></tr><tr><td>value</td><td>string</td><td>Yes</td><td>New value to merge for the <code>key</code>.</td></tr><tr><td>callback</td><td>?(error: ?Error) => void</td><td>No</td><td>Function that will be called with any error.</td></tr></tbody></table><p>Example:</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token keyword" style="color:#c5a5c5">let</span><span class="token plain"> UID123_object </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> name</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'Chris'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> age</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token number" style="color:#5a9bcf">30</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> traits</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"> hair</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'brown'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> eyes</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'brown'</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token comment" style="color:#93a1a1">// You only need to define what will be added or updated</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token keyword" style="color:#c5a5c5">let</span><span class="token plain"> UID123_delta </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> age</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token number" style="color:#5a9bcf">31</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> traits</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"> eyes</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'blue'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> shoe_size</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token number" style="color:#5a9bcf">10</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain" style="display:inline-block">
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</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">AsyncStorage</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">setItem</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token string" style="color:#8dc891">'UID123'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token constant" style="color:#5a9bcf">JSON</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">stringify</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">UID123_object</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> AsyncStorage</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">mergeItem</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token string" style="color:#8dc891">'UID123'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token constant" style="color:#5a9bcf">JSON</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">stringify</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">UID123_delta</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> AsyncStorage</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">getItem</span><span class="token punctuation" style="color:#657b83">(</span><span class="token string" style="color:#8dc891">'UID123'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token parameter">err</span><span class="token parameter punctuation" style="color:#657b83">,</span><span class="token parameter"> result</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> console</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">log</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">result</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain" style="display:inline-block">
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</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token comment" style="color:#93a1a1">// Console log result:</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token comment" style="color:#93a1a1">// => {'name':'Chris','age':31,'traits':</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token comment" style="color:#93a1a1">// {'shoe_size':10,'hair':'brown','eyes':'blue'}}</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><hr><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_E4oP" id="clear"></a><code>clear()</code><a class="hash-link" href="#clear" title="Direct link to heading">#</a></h3><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token keyword" style="color:#c5a5c5">static</span><span class="token plain"> </span><span class="token function" style="color:#79b6f2">clear</span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">callback</span><span class="token punctuation" style="color:#657b83">]</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token punctuation" style="color:#657b83">(</span><span class="token parameter">error</span><span class="token parameter operator" style="color:#fc929e">:</span><span class="token parameter"> </span><span class="token parameter operator" style="color:#fc929e">?</span><span class="token parameter">Error</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">void</span><span class="token punctuation" style="color:#657b83">)</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>Erases <em>all</em> <code>AsyncStorage</code> for all clients, libraries, etc. You probably don't want to call this; use <code>removeItem</code> or <code>multiRemove</code> to clear only your app's keys. Returns a <code>Promise</code> object.</p><p><strong>Parameters:</strong></p><table><thead><tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr></thead><tbody><tr><td>callback</td><td>?(error: ?Error) => void</td><td>No</td><td>Function that will be called with any error.</td></tr></tbody></table><hr><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_E4oP" id="getallkeys"></a><code>getAllKeys()</code><a class="hash-link" href="#getallkeys" title="Direct link to heading">#</a></h3><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token keyword" style="color:#c5a5c5">static</span><span class="token plain"> </span><span class="token function" style="color:#79b6f2">getAllKeys</span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">callback</span><span class="token punctuation" style="color:#657b83">]</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">error</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token plain">Error</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> keys</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token plain">Array</span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag" style="color:#fc929e">string</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">void</span><span class="token punctuation" style="color:#657b83">)</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>Gets <em>all</em> keys known to your app; for all callers, libraries, etc. Returns a <code>Promise</code> object.</p><p><strong>Parameters:</strong></p><table><thead><tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr></thead><tbody><tr><td>callback</td><td><code>?(error: ?Error, keys: ?Array<string>) => void</code></td><td>No</td><td>Function that will be called with all keys found and any error.</td></tr></tbody></table><hr><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_E4oP" id="flushgetrequests"></a><code>flushGetRequests()</code><a class="hash-link" href="#flushgetrequests" title="Direct link to heading">#</a></h3><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token keyword" style="color:#c5a5c5">static</span><span class="token plain"> </span><span class="token function" style="color:#79b6f2">flushGetRequests</span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">)</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">object Object</span><span class="token punctuation" style="color:#657b83">]</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>Flushes any pending requests using a single batch call to get the data.</p><hr><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_E4oP" id="multiget"></a><code>multiGet()</code><a class="hash-link" href="#multiget" title="Direct link to heading">#</a></h3><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token keyword" style="color:#c5a5c5">static</span><span class="token plain"> </span><span class="token function" style="color:#79b6f2">multiGet</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">keys</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> Array</span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag" style="color:#fc929e">string</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">callback</span><span class="token punctuation" style="color:#657b83">]</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">errors</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token plain">Array</span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag class-name" style="color:#fac863">Error</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> result</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token plain">Array</span><span class="token operator" style="color:#fc929e"><</span><span class="token plain">Array </span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag" style="color:#fc929e">string</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token operator" style="color:#fc929e">></span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">void</span><span class="token punctuation" style="color:#657b83">)</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>This allows you to batch the fetching of items given an array of <code>key</code> inputs. Your callback will be invoked with an array of corresponding key-value pairs found:</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token function" style="color:#79b6f2">multiGet</span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">[</span><span class="token string" style="color:#8dc891">'k1'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'k2'</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> cb</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">-</span><span class="token operator" style="color:#fc929e">></span><span class="token plain"> </span><span class="token function" style="color:#79b6f2">cb</span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">[</span><span class="token punctuation" style="color:#657b83">[</span><span class="token string" style="color:#8dc891">'k1'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'val1'</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token string" style="color:#8dc891">'k2'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'val2'</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">)</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>The method returns a <code>Promise</code> object.</p><p><strong>Parameters:</strong></p><table><thead><tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr></thead><tbody><tr><td>keys</td><td><code>Array<string></code></td><td>Yes</td><td>Array of key for the items to get.</td></tr><tr><td>callback</td><td><code>?(errors: ?Array<Error>, result: ?Array<Array <string>>) => void</code></td><td>No</td><td>Function that will be called with a key-value array of the results, plus an array of any key-specific errors found.</td></tr></tbody></table><p>Example:</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">AsyncStorage</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">getAllKeys</span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">(</span><span class="token parameter">err</span><span class="token parameter punctuation" style="color:#657b83">,</span><span class="token parameter"> keys</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> AsyncStorage</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">multiGet</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">keys</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token parameter">err</span><span class="token parameter punctuation" style="color:#657b83">,</span><span class="token parameter"> stores</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> stores</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">map</span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">(</span><span class="token parameter">result</span><span class="token parameter punctuation" style="color:#657b83">,</span><span class="token parameter"> i</span><span class="token parameter punctuation" style="color:#657b83">,</span><span class="token parameter"> store</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token comment" style="color:#93a1a1">// get at each store's key/value so you can work with it</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">let</span><span class="token plain"> key </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> store</span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">i</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">[</span><span class="token number" style="color:#5a9bcf">0</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">let</span><span class="token plain"> value </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> store</span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">i</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">[</span><span class="token number" style="color:#5a9bcf">1</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><hr><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_E4oP" id="multiset"></a><code>multiSet()</code><a class="hash-link" href="#multiset" title="Direct link to heading">#</a></h3><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token keyword" style="color:#c5a5c5">static</span><span class="token plain"> </span><span class="token function" style="color:#79b6f2">multiSet</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">keyValuePairs</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> Array</span><span class="token operator" style="color:#fc929e"><</span><span class="token plain">Array </span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag" style="color:#fc929e">string</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token operator" style="color:#fc929e">></span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">callback</span><span class="token punctuation" style="color:#657b83">]</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">errors</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token plain">Array</span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag class-name" style="color:#fac863">Error</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">void</span><span class="token punctuation" style="color:#657b83">)</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>Use this as a batch operation for storing multiple key-value pairs. When the operation completes you'll get a single callback with any errors:</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token function" style="color:#79b6f2">multiSet</span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">[</span><span class="token punctuation" style="color:#657b83">[</span><span class="token string" style="color:#8dc891">'k1'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'val1'</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token string" style="color:#8dc891">'k2'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'val2'</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> cb</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>The method returns a <code>Promise</code> object.</p><p><strong>Parameters:</strong></p><table><thead><tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr></thead><tbody><tr><td>keyValuePairs</td><td><code>Array<Array <string>></code></td><td>Yes</td><td>Array of key-value array for the items to set.</td></tr><tr><td>callback</td><td><code>?(errors: ?Array<Error>) => void</code></td><td>No</td><td>Function that will be called with an array of any key-specific errors found.</td></tr></tbody></table><hr><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_E4oP" id="multiremove"></a><code>multiRemove()</code><a class="hash-link" href="#multiremove" title="Direct link to heading">#</a></h3><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token keyword" style="color:#c5a5c5">static</span><span class="token plain"> </span><span class="token function" style="color:#79b6f2">multiRemove</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">keys</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> Array</span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag" style="color:#fc929e">string</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">callback</span><span class="token punctuation" style="color:#657b83">]</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">errors</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token plain">Array</span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag class-name" style="color:#fac863">Error</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">void</span><span class="token punctuation" style="color:#657b83">)</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>Call this to batch the deletion of all keys in the <code>keys</code> array. Returns a <code>Promise</code> object.</p><p><strong>Parameters:</strong></p><table><thead><tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr></thead><tbody><tr><td>keys</td><td><code>Array<string></code></td><td>Yes</td><td>Array of key for the items to delete.</td></tr><tr><td>callback</td><td><code>?(errors: ?Array<Error>) => void</code></td><td>No</td><td>Function that will be called an array of any key-specific errors found.</td></tr></tbody></table><p>Example:</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token keyword" style="color:#c5a5c5">let</span><span class="token plain"> keys </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token string" style="color:#8dc891">'k1'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'k2'</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">AsyncStorage</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">multiRemove</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">keys</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token parameter">err</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token comment" style="color:#93a1a1">// keys k1 & k2 removed, if they existed</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token comment" style="color:#93a1a1">// do most stuff after removal (if you want)</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><hr><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_E4oP" id="multimerge"></a><code>multiMerge()</code><a class="hash-link" href="#multimerge" title="Direct link to heading">#</a></h3><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token keyword" style="color:#c5a5c5">static</span><span class="token plain"> </span><span class="token function" style="color:#79b6f2">multiMerge</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">keyValuePairs</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> Array</span><span class="token operator" style="color:#fc929e"><</span><span class="token plain">Array </span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag" style="color:#fc929e">string</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token operator" style="color:#fc929e">></span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">callback</span><span class="token punctuation" style="color:#657b83">]</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">errors</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">?</span><span class="token plain">Array</span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag class-name" style="color:#fac863">Error</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">void</span><span class="token punctuation" style="color:#657b83">)</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>Batch operation to merge in existing and new values for a given set of keys. This assumes that the values are stringified JSON. Returns a <code>Promise</code> object.</p><p><strong>NOTE</strong>: This is not supported by all native implementations.</p><p><strong>Parameters:</strong></p><table><thead><tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr></thead><tbody><tr><td>keyValuePairs</td><td><code>Array<Array <string>></code></td><td>Yes</td><td>Array of key-value array for the items to merge.</td></tr><tr><td>callback</td><td><code>?(errors: ?Array<Error>) => void</code></td><td>No</td><td>Function that will be called with an array of any key-specific errors found.</td></tr></tbody></table><p>Example:</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-jsx codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token comment" style="color:#93a1a1">// first user, initial values</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token keyword" style="color:#c5a5c5">let</span><span class="token plain"> UID234_object </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> name</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'Chris'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> age</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token number" style="color:#5a9bcf">30</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> traits</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"> hair</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'brown'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> eyes</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'brown'</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain" style="display:inline-block">
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</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token comment" style="color:#93a1a1">// first user, delta values</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token keyword" style="color:#c5a5c5">let</span><span class="token plain"> UID234_delta </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> age</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token number" style="color:#5a9bcf">31</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> traits</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"> eyes</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'blue'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> shoe_size</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token number" style="color:#5a9bcf">10</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain" style="display:inline-block">
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</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token comment" style="color:#93a1a1">// second user, initial values</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token keyword" style="color:#c5a5c5">let</span><span class="token plain"> UID345_object </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> name</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'Marge'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> age</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token number" style="color:#5a9bcf">25</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> traits</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"> hair</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'blonde'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> eyes</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'blue'</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain" style="display:inline-block">
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</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token comment" style="color:#93a1a1">// second user, delta values</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token keyword" style="color:#c5a5c5">let</span><span class="token plain"> UID345_delta </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> age</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token number" style="color:#5a9bcf">26</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> traits</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"> eyes</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'green'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> shoe_size</span><span class="token operator" style="color:#fc929e">:</span><span class="token plain"> </span><span class="token number" style="color:#5a9bcf">6</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain" style="display:inline-block">
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</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token keyword" style="color:#c5a5c5">let</span><span class="token plain"> multi_set_pairs </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token string" style="color:#8dc891">'UID234'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token constant" style="color:#5a9bcf">JSON</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">stringify</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">UID234_object</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token string" style="color:#8dc891">'UID345'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token constant" style="color:#5a9bcf">JSON</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">stringify</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">UID345_object</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">]</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token keyword" style="color:#c5a5c5">let</span><span class="token plain"> multi_merge_pairs </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token string" style="color:#8dc891">'UID234'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token constant" style="color:#5a9bcf">JSON</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">stringify</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">UID234_delta</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token string" style="color:#8dc891">'UID345'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token constant" style="color:#5a9bcf">JSON</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">stringify</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">UID345_delta</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">]</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain" style="display:inline-block">
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</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">AsyncStorage</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">multiSet</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">multi_set_pairs</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token parameter">err</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> AsyncStorage</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">multiMerge</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">multi_merge_pairs</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token parameter">err</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> AsyncStorage</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">multiGet</span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">[</span><span class="token string" style="color:#8dc891">'UID234'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'UID345'</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token parameter">err</span><span class="token parameter punctuation" style="color:#657b83">,</span><span class="token parameter"> stores</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> stores</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">map</span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">(</span><span class="token parameter">result</span><span class="token parameter punctuation" style="color:#657b83">,</span><span class="token parameter"> i</span><span class="token parameter punctuation" style="color:#657b83">,</span><span class="token parameter"> store</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">let</span><span class="token plain"> key </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> store</span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">i</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">[</span><span class="token number" style="color:#5a9bcf">0</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">let</span><span class="token plain"> val </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> store</span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">i</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">[</span><span class="token number" style="color:#5a9bcf">1</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> console</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">log</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">key</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> val</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain" style="display:inline-block">
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</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token comment" style="color:#93a1a1">// Console log results:</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token comment" style="color:#93a1a1">// => UID234 {"name":"Chris","age":31,"traits":{"shoe_size":10,"hair":"brown","eyes":"blue"}}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token comment" style="color:#93a1a1">// => UID345 {"name":"Marge","age":26,"traits":{"shoe_size":6,"hair":"blonde","eyes":"green"}}</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div></div></article><div class="docMetadata margin-vert--xl"><div class="row"><div class="col"><a href="https://github.com/facebook/react-native-website/blob/master/website/versioned_docs/version-0.63/asyncstorage.md" target="_blank" rel="noreferrer noopener"><svg fill="currentColor" height="1.2em" width="1.2em" preserveAspectRatio="xMidYMid meet" role="img" viewBox="0 0 40 40" class="iconEdit_2Hwv"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col text--right"><em><small class="docMetadata-updated">Last updated on <time datetime="2021-02-11T10:20:08.000Z" class="docLastUpdatedAt_1gIo">2/11/2021</time></small></em></div></div></div><div class="margin-vert--lg"><nav class="pagination-nav" aria-label="Blog list page navigation"><div class="pagination-nav__item"></div><div class="pagination-nav__item pagination-nav__item--next"></div></nav></div></div></div><div class="col col--3"><div class="tableOfContents_1zTD thin-scrollbar"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#methods" class="table-of-contents__link">Methods</a><ul><li><a href="#getitem" class="table-of-contents__link"><code>getItem()</code></a></li><li><a href="#setitem" class="table-of-contents__link"><code>setItem()</code></a></li><li><a href="#removeitem" class="table-of-contents__link"><code>removeItem()</code></a></li><li><a href="#mergeitem" class="table-of-contents__link"><code>mergeItem()</code></a></li><li><a href="#clear" class="table-of-contents__link"><code>clear()</code></a></li><li><a href="#getallkeys" class="table-of-contents__link"><code>getAllKeys()</code></a></li><li><a href="#flushgetrequests" class="table-of-contents__link"><code>flushGetRequests()</code></a></li><li><a href="#multiget" class="table-of-contents__link"><code>multiGet()</code></a></li><li><a href="#multiset" class="table-of-contents__link"><code>multiSet()</code></a></li><li><a href="#multiremove" class="table-of-contents__link"><code>multiRemove()</code></a></li><li><a href="#multimerge" class="table-of-contents__link"><code>multiMerge()</code></a></li></ul></li></ul></div></div></div></div></main></div></div><footer class="footer footer--dark"><div class="container"><div class="row footer__links"><div class="col footer__col"><h4 class="footer__title">Docs</h4><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/docs/getting-started">Getting Started</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/tutorial">Tutorial</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/components-and-apis">Components and APIs</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/more-resources">More Resources</a></li></ul></div><div class="col footer__col"><h4 class="footer__title">Community</h4><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/help">The React 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