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Deploy website version based on d2c4e5e44eb7d5e5591aee8e76437e702eceda3f
2025-11-01 09:14:26 +00:00 · 2020-04-28 14:33:19 +00:00
parent c49fc5c1aa
commit 555c697033
6 changed files with 24 additions and 24 deletions
@@ -71,10 +71,10 @@
        </script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/facebook/react-native-website/blob/master/docs/height-and-width.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Height and Width</h1></header><article><div><span><p>A component's height and width determine its size on the screen.</p>
 <h2><a class="anchor" aria-hidden="true" id="fixed-dimensions"></a><a href="#fixed-dimensions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Fixed Dimensions</h2>
 <p>The general way to set the dimensions of a component is by adding a fixed <code>width</code> and <code>height</code> to style. All dimensions in React Native are unitless, and represent density-independent pixels.</p>
-<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
+<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React, { Component } <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
 <span class="hljs-keyword">import</span> { View } <span class="hljs-keyword">from</span> <span class="hljs-string">'react-native'</span>;

-<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> FixedDimensionsBasics = <span class="hljs-function"><span class="hljs-params">()</span> =&gt;</span> {
+<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">FixedDimensionsBasics</span>(<span class="hljs-params"></span>) </span>{
    <span class="hljs-keyword">return</span> (
      &lt;View&gt;
        &lt;View style={{width: 50, height: 50, backgroundColor: 'powderblue'}} /&gt;
@@ -86,7 +86,7 @@
 </code></pre></div><div class="desktop-friendly-snack" style="margin-top: 15px; margin-bottom: 15px"><div
        data-snack-name="Height and Width"
        data-snack-description="Example usage"
-        data-snack-code="import%20React%20from%20'react'%3B%0Aimport%20%7B%20View%20%7D%20from%20'react-native'%3B%0A%0Aexport%20default%20FixedDimensionsBasics%20%3D%20()%20%3D%3E%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CView%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bwidth%3A%2050%2C%20height%3A%2050%2C%20backgroundColor%3A%20'powderblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bwidth%3A%20100%2C%20height%3A%20100%2C%20backgroundColor%3A%20'skyblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bwidth%3A%20150%2C%20height%3A%20150%2C%20backgroundColor%3A%20'steelblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%7D%0A"
+        data-snack-code="import%20React%2C%20%7B%20Component%20%7D%20from%20'react'%3B%0Aimport%20%7B%20View%20%7D%20from%20'react-native'%3B%0A%0Aexport%20default%20function%20FixedDimensionsBasics()%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CView%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bwidth%3A%2050%2C%20height%3A%2050%2C%20backgroundColor%3A%20'powderblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bwidth%3A%20100%2C%20height%3A%20100%2C%20backgroundColor%3A%20'skyblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bwidth%3A%20150%2C%20height%3A%20150%2C%20backgroundColor%3A%20'steelblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%7D%0A"
        data-snack-platform="web"
        data-snack-supported-platforms=ios,android,web
        data-snack-preview="true"
@@ -104,10 +104,10 @@
 <blockquote>
 <p>A component can only expand to fill available space if its parent has dimensions greater than 0. If a parent does not have either a fixed <code>width</code> and <code>height</code> or <code>flex</code>, the parent will have dimensions of 0 and the <code>flex</code> children will not be visible.</p>
 </blockquote>
-<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
+<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React, { Component } <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
 <span class="hljs-keyword">import</span> { View } <span class="hljs-keyword">from</span> <span class="hljs-string">'react-native'</span>;

-<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> FlexDimensionsBasics = <span class="hljs-function"><span class="hljs-params">()</span> =&gt;</span> {
+<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">FlexDimensionsBasics</span>(<span class="hljs-params"></span>) </span>{
    <span class="hljs-keyword">return</span> (
      <span class="hljs-comment">// Try removing the `flex: 1` on the parent View.</span>
      <span class="hljs-comment">// The parent will not have dimensions, so the children can't expand.</span>
@@ -122,7 +122,7 @@
 </code></pre></div><div class="desktop-friendly-snack" style="margin-top: 15px; margin-bottom: 15px"><div
        data-snack-name="Flex Dimensions"
        data-snack-description="Example usage"
-        data-snack-code="import%20React%20from%20'react'%3B%0Aimport%20%7B%20View%20%7D%20from%20'react-native'%3B%0A%0Aexport%20default%20FlexDimensionsBasics%20%3D%20()%20%3D%3E%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%2F%2F%20Try%20removing%20the%20%60flex%3A%201%60%20on%20the%20parent%20View.%0A%20%20%20%20%20%20%2F%2F%20The%20parent%20will%20not%20have%20dimensions%2C%20so%20the%20children%20can't%20expand.%0A%20%20%20%20%20%20%2F%2F%20What%20if%20you%20add%20%60height%3A%20300%60%20instead%20of%20%60flex%3A%201%60%3F%0A%20%20%20%20%20%20%3CView%20style%3D%7B%7Bflex%3A%201%7D%7D%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bflex%3A%201%2C%20backgroundColor%3A%20'powderblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bflex%3A%202%2C%20backgroundColor%3A%20'skyblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bflex%3A%203%2C%20backgroundColor%3A%20'steelblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%7D%0A"
+        data-snack-code="import%20React%2C%20%7B%20Component%20%7D%20from%20'react'%3B%0Aimport%20%7B%20View%20%7D%20from%20'react-native'%3B%0A%0Aexport%20default%20function%20FlexDimensionsBasics()%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%2F%2F%20Try%20removing%20the%20%60flex%3A%201%60%20on%20the%20parent%20View.%0A%20%20%20%20%20%20%2F%2F%20The%20parent%20will%20not%20have%20dimensions%2C%20so%20the%20children%20can't%20expand.%0A%20%20%20%20%20%20%2F%2F%20What%20if%20you%20add%20%60height%3A%20300%60%20instead%20of%20%60flex%3A%201%60%3F%0A%20%20%20%20%20%20%3CView%20style%3D%7B%7Bflex%3A%201%7D%7D%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bflex%3A%201%2C%20backgroundColor%3A%20'powderblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bflex%3A%202%2C%20backgroundColor%3A%20'skyblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bflex%3A%203%2C%20backgroundColor%3A%20'steelblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%7D%0A"
        data-snack-platform="web"
        data-snack-supported-platforms=ios,android,web
        data-snack-preview="true"
@@ -71,10 +71,10 @@
        </script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/facebook/react-native-website/blob/master/docs/height-and-width.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Height and Width</h1></header><article><div><span><p>A component's height and width determine its size on the screen.</p>
 <h2><a class="anchor" aria-hidden="true" id="fixed-dimensions"></a><a href="#fixed-dimensions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Fixed Dimensions</h2>
 <p>The general way to set the dimensions of a component is by adding a fixed <code>width</code> and <code>height</code> to style. All dimensions in React Native are unitless, and represent density-independent pixels.</p>
-<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
+<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React, { Component } <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
 <span class="hljs-keyword">import</span> { View } <span class="hljs-keyword">from</span> <span class="hljs-string">'react-native'</span>;

-<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> FixedDimensionsBasics = <span class="hljs-function"><span class="hljs-params">()</span> =&gt;</span> {
+<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">FixedDimensionsBasics</span>(<span class="hljs-params"></span>) </span>{
    <span class="hljs-keyword">return</span> (
      &lt;View&gt;
        &lt;View style={{width: 50, height: 50, backgroundColor: 'powderblue'}} /&gt;
@@ -86,7 +86,7 @@
 </code></pre></div><div class="desktop-friendly-snack" style="margin-top: 15px; margin-bottom: 15px"><div
        data-snack-name="Height and Width"
        data-snack-description="Example usage"
-        data-snack-code="import%20React%20from%20'react'%3B%0Aimport%20%7B%20View%20%7D%20from%20'react-native'%3B%0A%0Aexport%20default%20FixedDimensionsBasics%20%3D%20()%20%3D%3E%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CView%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bwidth%3A%2050%2C%20height%3A%2050%2C%20backgroundColor%3A%20'powderblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bwidth%3A%20100%2C%20height%3A%20100%2C%20backgroundColor%3A%20'skyblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bwidth%3A%20150%2C%20height%3A%20150%2C%20backgroundColor%3A%20'steelblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%7D%0A"
+        data-snack-code="import%20React%2C%20%7B%20Component%20%7D%20from%20'react'%3B%0Aimport%20%7B%20View%20%7D%20from%20'react-native'%3B%0A%0Aexport%20default%20function%20FixedDimensionsBasics()%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CView%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bwidth%3A%2050%2C%20height%3A%2050%2C%20backgroundColor%3A%20'powderblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bwidth%3A%20100%2C%20height%3A%20100%2C%20backgroundColor%3A%20'skyblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bwidth%3A%20150%2C%20height%3A%20150%2C%20backgroundColor%3A%20'steelblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%7D%0A"
        data-snack-platform="web"
        data-snack-supported-platforms=ios,android,web
        data-snack-preview="true"
@@ -104,10 +104,10 @@
 <blockquote>
 <p>A component can only expand to fill available space if its parent has dimensions greater than 0. If a parent does not have either a fixed <code>width</code> and <code>height</code> or <code>flex</code>, the parent will have dimensions of 0 and the <code>flex</code> children will not be visible.</p>
 </blockquote>
-<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
+<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React, { Component } <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
 <span class="hljs-keyword">import</span> { View } <span class="hljs-keyword">from</span> <span class="hljs-string">'react-native'</span>;

-<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> FlexDimensionsBasics = <span class="hljs-function"><span class="hljs-params">()</span> =&gt;</span> {
+<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">FlexDimensionsBasics</span>(<span class="hljs-params"></span>) </span>{
    <span class="hljs-keyword">return</span> (
      <span class="hljs-comment">// Try removing the `flex: 1` on the parent View.</span>
      <span class="hljs-comment">// The parent will not have dimensions, so the children can't expand.</span>
@@ -122,7 +122,7 @@
 </code></pre></div><div class="desktop-friendly-snack" style="margin-top: 15px; margin-bottom: 15px"><div
        data-snack-name="Flex Dimensions"
        data-snack-description="Example usage"
-        data-snack-code="import%20React%20from%20'react'%3B%0Aimport%20%7B%20View%20%7D%20from%20'react-native'%3B%0A%0Aexport%20default%20FlexDimensionsBasics%20%3D%20()%20%3D%3E%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%2F%2F%20Try%20removing%20the%20%60flex%3A%201%60%20on%20the%20parent%20View.%0A%20%20%20%20%20%20%2F%2F%20The%20parent%20will%20not%20have%20dimensions%2C%20so%20the%20children%20can't%20expand.%0A%20%20%20%20%20%20%2F%2F%20What%20if%20you%20add%20%60height%3A%20300%60%20instead%20of%20%60flex%3A%201%60%3F%0A%20%20%20%20%20%20%3CView%20style%3D%7B%7Bflex%3A%201%7D%7D%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bflex%3A%201%2C%20backgroundColor%3A%20'powderblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bflex%3A%202%2C%20backgroundColor%3A%20'skyblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bflex%3A%203%2C%20backgroundColor%3A%20'steelblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%7D%0A"
+        data-snack-code="import%20React%2C%20%7B%20Component%20%7D%20from%20'react'%3B%0Aimport%20%7B%20View%20%7D%20from%20'react-native'%3B%0A%0Aexport%20default%20function%20FlexDimensionsBasics()%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%2F%2F%20Try%20removing%20the%20%60flex%3A%201%60%20on%20the%20parent%20View.%0A%20%20%20%20%20%20%2F%2F%20The%20parent%20will%20not%20have%20dimensions%2C%20so%20the%20children%20can't%20expand.%0A%20%20%20%20%20%20%2F%2F%20What%20if%20you%20add%20%60height%3A%20300%60%20instead%20of%20%60flex%3A%201%60%3F%0A%20%20%20%20%20%20%3CView%20style%3D%7B%7Bflex%3A%201%7D%7D%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bflex%3A%201%2C%20backgroundColor%3A%20'powderblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bflex%3A%202%2C%20backgroundColor%3A%20'skyblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7B%7Bflex%3A%203%2C%20backgroundColor%3A%20'steelblue'%7D%7D%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%7D%0A"
        data-snack-platform="web"
        data-snack-supported-platforms=ios,android,web
        data-snack-preview="true"
@@ -14,7 +14,7 @@
        });
        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/prism.css"/><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/header_logo.svg" alt="React Native"/><h2 class="headerTitleWithLogo">React Native</h2></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/getting-started" target="_self">Docs</a></li><li class=""><a href="/docs/next/activityindicator" target="_self">API</a></li><li class=""><a href="/help" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">Blog</a></li><li class="navSearchWrapper reactNavSearchWrapper"><input type="text" id="search_input_react" placeholder="Search" title="Search"/></li><li class=""><a href="https://github.com/facebook/react-native" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/facebook/react-native-website/blob/master/docs/props.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Props</h1></header><article><div><span><p>Most components can be customized when they are created, with different parameters. These created parameters are called <code>props</code>, short for properties.</p>
 <p>For example, one basic React Native component is the <code>Image</code>. When you create an image, you can use a prop named <code>source</code> to control what image it shows.</p>
-<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
+<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React, { Component } <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
 <span class="hljs-keyword">import</span> { Image } <span class="hljs-keyword">from</span> <span class="hljs-string">'react-native'</span>;

 <span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">Bananas</span>(<span class="hljs-params"></span>) </span>{
@@ -28,7 +28,7 @@
 </span></code></pre></div><div class="desktop-friendly-snack" style="margin-top: 15px; margin-bottom: 15px"><div
        data-snack-name="Props"
        data-snack-description="Example usage"
-        data-snack-code="import%20React%20from%20'react'%3B%0Aimport%20%7B%20Image%20%7D%20from%20'react-native'%3B%0A%0Aexport%20default%20function%20Bananas()%20%7B%0A%20%20%20%20let%20pic%20%3D%20%7B%0A%20%20%20%20%20%20uri%3A%20'https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fd%2Fde%2FBananavarieties.jpg'%0A%20%20%20%20%7D%3B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CImage%20source%3D%7Bpic%7D%20style%3D%7B%7Bwidth%3A%20193%2C%20height%3A%20110%2C%20marginTop%3A50%7D%7D%2F%3E%0A%20%20%20%20)%3B%0A%7D%0A"
+        data-snack-code="import%20React%2C%20%7B%20Component%20%7D%20from%20'react'%3B%0Aimport%20%7B%20Image%20%7D%20from%20'react-native'%3B%0A%0Aexport%20default%20function%20Bananas()%20%7B%0A%20%20%20%20let%20pic%20%3D%20%7B%0A%20%20%20%20%20%20uri%3A%20'https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fd%2Fde%2FBananavarieties.jpg'%0A%20%20%20%20%7D%3B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CImage%20source%3D%7Bpic%7D%20style%3D%7B%7Bwidth%3A%20193%2C%20height%3A%20110%2C%20marginTop%3A50%7D%7D%2F%3E%0A%20%20%20%20)%3B%0A%7D%0A"
        data-snack-platform="web"
        data-snack-supported-platforms=ios,android,web
        data-snack-preview="true"
@@ -42,7 +42,7 @@
        "
      ></div></div></div><p>Notice the braces surrounding <code>{pic}</code> - these embed the variable <code>pic</code> into JSX. You can put any JavaScript expression inside braces in JSX.</p>
 <p>Your own components can also use <code>props</code>. This lets you make a single component that is used in many different places in your app, with slightly different properties in each place by referring to <code>props</code> in your <code>render</code> function. Here's an example:</p>
-<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
+<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React, { Component } <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
 <span class="hljs-keyword">import</span> { Text, View } <span class="hljs-keyword">from</span> <span class="hljs-string">'react-native'</span>;

 <span class="hljs-keyword">const</span> Greeting = <span class="hljs-function">(<span class="hljs-params">props</span>) =&gt;</span> {
@@ -53,7 +53,7 @@
    );
 }

-<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> LotsOfGreetings = <span class="hljs-function"><span class="hljs-params">()</span> =&gt;</span> {
+<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">LotsOfGreetings</span>(<span class="hljs-params"></span>) </span>{
    <span class="hljs-keyword">return</span> (
      &lt;View style={{alignItems: 'center', top: 50}}&gt;
        &lt;Greeting name='Rexxar' /&gt;
@@ -65,7 +65,7 @@
 </code></pre></div><div class="desktop-friendly-snack" style="margin-top: 15px; margin-bottom: 15px"><div
        data-snack-name="Props"
        data-snack-description="Example usage"
-        data-snack-code="import%20React%20from%20'react'%3B%0Aimport%20%7B%20Text%2C%20View%20%7D%20from%20'react-native'%3B%0A%0Aconst%20Greeting%20%3D%20(props)%20%3D%3E%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CView%20style%3D%7B%7BalignItems%3A%20'center'%7D%7D%3E%0A%20%20%20%20%20%20%20%20%3CText%3EHello%20%7Bprops.name%7D!%3C%2FText%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%7D%0A%0Aexport%20default%20LotsOfGreetings%20%3D%20()%20%3D%3E%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CView%20style%3D%7B%7BalignItems%3A%20'center'%2C%20top%3A%2050%7D%7D%3E%0A%20%20%20%20%20%20%20%20%3CGreeting%20name%3D'Rexxar'%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CGreeting%20name%3D'Jaina'%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CGreeting%20name%3D'Valeera'%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%7D%0A"
+        data-snack-code="import%20React%2C%20%7B%20Component%20%7D%20from%20'react'%3B%0Aimport%20%7B%20Text%2C%20View%20%7D%20from%20'react-native'%3B%0A%0Aconst%20Greeting%20%3D%20(props)%20%3D%3E%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CView%20style%3D%7B%7BalignItems%3A%20'center'%7D%7D%3E%0A%20%20%20%20%20%20%20%20%3CText%3EHello%20%7Bprops.name%7D!%3C%2FText%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%7D%0A%0Aexport%20default%20function%20LotsOfGreetings()%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CView%20style%3D%7B%7BalignItems%3A%20'center'%2C%20top%3A%2050%7D%7D%3E%0A%20%20%20%20%20%20%20%20%3CGreeting%20name%3D'Rexxar'%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CGreeting%20name%3D'Jaina'%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CGreeting%20name%3D'Valeera'%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%7D%0A"
        data-snack-platform="web"
        data-snack-supported-platforms=ios,android,web
        data-snack-preview="true"
@@ -14,7 +14,7 @@
        });
        </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/prism.css"/><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/header_logo.svg" alt="React Native"/><h2 class="headerTitleWithLogo">React Native</h2></a><a href="/versions"><h3>next</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/next/getting-started" target="_self">Docs</a></li><li class=""><a href="/docs/next/activityindicator" target="_self">API</a></li><li class=""><a href="/help" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">Blog</a></li><li class="navSearchWrapper reactNavSearchWrapper"><input type="text" id="search_input_react" placeholder="Search" title="Search"/></li><li class=""><a href="https://github.com/facebook/react-native" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/facebook/react-native-website/blob/master/docs/props.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Props</h1></header><article><div><span><p>Most components can be customized when they are created, with different parameters. These created parameters are called <code>props</code>, short for properties.</p>
 <p>For example, one basic React Native component is the <code>Image</code>. When you create an image, you can use a prop named <code>source</code> to control what image it shows.</p>
-<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
+<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React, { Component } <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
 <span class="hljs-keyword">import</span> { Image } <span class="hljs-keyword">from</span> <span class="hljs-string">'react-native'</span>;

 <span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">Bananas</span>(<span class="hljs-params"></span>) </span>{
@@ -28,7 +28,7 @@
 </span></code></pre></div><div class="desktop-friendly-snack" style="margin-top: 15px; margin-bottom: 15px"><div
        data-snack-name="Props"
        data-snack-description="Example usage"
-        data-snack-code="import%20React%20from%20'react'%3B%0Aimport%20%7B%20Image%20%7D%20from%20'react-native'%3B%0A%0Aexport%20default%20function%20Bananas()%20%7B%0A%20%20%20%20let%20pic%20%3D%20%7B%0A%20%20%20%20%20%20uri%3A%20'https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fd%2Fde%2FBananavarieties.jpg'%0A%20%20%20%20%7D%3B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CImage%20source%3D%7Bpic%7D%20style%3D%7B%7Bwidth%3A%20193%2C%20height%3A%20110%2C%20marginTop%3A50%7D%7D%2F%3E%0A%20%20%20%20)%3B%0A%7D%0A"
+        data-snack-code="import%20React%2C%20%7B%20Component%20%7D%20from%20'react'%3B%0Aimport%20%7B%20Image%20%7D%20from%20'react-native'%3B%0A%0Aexport%20default%20function%20Bananas()%20%7B%0A%20%20%20%20let%20pic%20%3D%20%7B%0A%20%20%20%20%20%20uri%3A%20'https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fd%2Fde%2FBananavarieties.jpg'%0A%20%20%20%20%7D%3B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CImage%20source%3D%7Bpic%7D%20style%3D%7B%7Bwidth%3A%20193%2C%20height%3A%20110%2C%20marginTop%3A50%7D%7D%2F%3E%0A%20%20%20%20)%3B%0A%7D%0A"
        data-snack-platform="web"
        data-snack-supported-platforms=ios,android,web
        data-snack-preview="true"
@@ -42,7 +42,7 @@
        "
      ></div></div></div><p>Notice the braces surrounding <code>{pic}</code> - these embed the variable <code>pic</code> into JSX. You can put any JavaScript expression inside braces in JSX.</p>
 <p>Your own components can also use <code>props</code>. This lets you make a single component that is used in many different places in your app, with slightly different properties in each place by referring to <code>props</code> in your <code>render</code> function. Here's an example:</p>
-<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
+<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React, { Component } <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
 <span class="hljs-keyword">import</span> { Text, View } <span class="hljs-keyword">from</span> <span class="hljs-string">'react-native'</span>;

 <span class="hljs-keyword">const</span> Greeting = <span class="hljs-function">(<span class="hljs-params">props</span>) =&gt;</span> {
@@ -53,7 +53,7 @@
    );
 }

-<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> LotsOfGreetings = <span class="hljs-function"><span class="hljs-params">()</span> =&gt;</span> {
+<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">LotsOfGreetings</span>(<span class="hljs-params"></span>) </span>{
    <span class="hljs-keyword">return</span> (
      &lt;View style={{alignItems: 'center', top: 50}}&gt;
        &lt;Greeting name='Rexxar' /&gt;
@@ -65,7 +65,7 @@
 </code></pre></div><div class="desktop-friendly-snack" style="margin-top: 15px; margin-bottom: 15px"><div
        data-snack-name="Props"
        data-snack-description="Example usage"
-        data-snack-code="import%20React%20from%20'react'%3B%0Aimport%20%7B%20Text%2C%20View%20%7D%20from%20'react-native'%3B%0A%0Aconst%20Greeting%20%3D%20(props)%20%3D%3E%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CView%20style%3D%7B%7BalignItems%3A%20'center'%7D%7D%3E%0A%20%20%20%20%20%20%20%20%3CText%3EHello%20%7Bprops.name%7D!%3C%2FText%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%7D%0A%0Aexport%20default%20LotsOfGreetings%20%3D%20()%20%3D%3E%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CView%20style%3D%7B%7BalignItems%3A%20'center'%2C%20top%3A%2050%7D%7D%3E%0A%20%20%20%20%20%20%20%20%3CGreeting%20name%3D'Rexxar'%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CGreeting%20name%3D'Jaina'%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CGreeting%20name%3D'Valeera'%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%7D%0A"
+        data-snack-code="import%20React%2C%20%7B%20Component%20%7D%20from%20'react'%3B%0Aimport%20%7B%20Text%2C%20View%20%7D%20from%20'react-native'%3B%0A%0Aconst%20Greeting%20%3D%20(props)%20%3D%3E%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CView%20style%3D%7B%7BalignItems%3A%20'center'%7D%7D%3E%0A%20%20%20%20%20%20%20%20%3CText%3EHello%20%7Bprops.name%7D!%3C%2FText%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%7D%0A%0Aexport%20default%20function%20LotsOfGreetings()%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CView%20style%3D%7B%7BalignItems%3A%20'center'%2C%20top%3A%2050%7D%7D%3E%0A%20%20%20%20%20%20%20%20%3CGreeting%20name%3D'Rexxar'%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CGreeting%20name%3D'Jaina'%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CGreeting%20name%3D'Valeera'%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%7D%0A"
        data-snack-platform="web"
        data-snack-supported-platforms=ios,android,web
        data-snack-preview="true"
@@ -81,7 +81,7 @@
 <p><a href="https://github.com/react-native-community/async-storage">Async Storage</a> is a community-maintained module for React Native that provides an asynchronous, unencrypted, key-value store. Async Storage is not shared between apps: every app has its own sandbox environment and has no access to data from other apps.</p>
 <table>
 <thead>
-<tr><th><strong>Do</strong> use async storage when...</th><th><strong>Don't</strong> use async storage for...</th></tr>
+<tr><th><strong>Do</strong> use asynch storage when...</th><th><strong>Don't</strong> use asynch storage for...</th></tr>
 </thead>
 <tbody>
 <tr><td>Persisting non-sensitive data across app runs</td><td>Token storage</td></tr>
@@ -81,7 +81,7 @@
 <p><a href="https://github.com/react-native-community/async-storage">Async Storage</a> is a community-maintained module for React Native that provides an asynchronous, unencrypted, key-value store. Async Storage is not shared between apps: every app has its own sandbox environment and has no access to data from other apps.</p>
 <table>
 <thead>
-<tr><th><strong>Do</strong> use async storage when...</th><th><strong>Don't</strong> use async storage for...</th></tr>
+<tr><th><strong>Do</strong> use asynch storage when...</th><th><strong>Don't</strong> use asynch storage for...</th></tr>
 </thead>
 <tbody>
 <tr><td>Persisting non-sensitive data across app runs</td><td>Token storage</td></tr>