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Vjeux
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- splitting addons into 3 pages - add docs for classSet - classSet semicolon missing - className htmlFor - anchors for links
446 lines
18 KiB
HTML
446 lines
18 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
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<title>React | Getting Started</title>
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React
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<section class="content wrap documentationContent">
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<div class="nav-docs">
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<!-- Docs Nav -->
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<div class="nav-docs-section">
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<h3>Quick Start</h3>
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<ul>
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<li>
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<a href="/react/docs/getting-started.html" class="active">
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Getting Started
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<li>
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<a href="/react/docs/tutorial.html">
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Tutorial
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<div class="nav-docs-section">
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<h3>Guides</h3>
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Why React?
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<li>
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<a href="/react/docs/displaying-data.html">
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Displaying Data
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<ul>
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<li>
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<a href="/react/docs/jsx-in-depth.html">
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JSX in Depth
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<li>
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<a href="/react/docs/jsx-gotchas.html">
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JSX Gotchas
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</ul>
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<li>
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<a href="/react/docs/interactivity-and-dynamic-uis.html">
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Interactivity and Dynamic UIs
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</a>
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<a href="/react/docs/multiple-components.html">
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Multiple Components
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<a href="/react/docs/reusable-components.html">
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Reusable Components
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<a href="/react/docs/forms.html">
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Forms
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<a href="/react/docs/working-with-the-browser.html">
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Working With the Browser
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<ul>
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<li>
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<a href="/react/docs/more-about-refs.html">
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More About Refs
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</a>
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</ul>
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<li>
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<a href="/react/docs/tooling-integration.html">
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Tooling Integration
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</a>
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<li>
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<a href="/react/docs/addons.html">
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Add-Ons
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</a>
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<ul>
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<li>
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<a href="/react/docs/animation.html">
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Animation
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</a>
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</li>
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<li>
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<a href="/react/docs/two-way-binding-helpers.html">
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Two-Way Binding Helpers
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</a>
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</li>
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<li>
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<a href="/react/docs/class-name-manipulation.html">
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Class Name Manipulation
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</a>
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</li>
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</ul>
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</li>
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<li>
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<a href="/react/docs/examples.html">
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Examples
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</a>
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</ul>
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</div>
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<div class="nav-docs-section">
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<h3>Reference</h3>
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<ul>
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<li>
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<a href="/react/docs/top-level-api.html">
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Top-Level API
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</a>
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</li>
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<li>
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<a href="/react/docs/component-api.html">
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Component API
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</a>
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</li>
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<li>
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<a href="/react/docs/component-specs.html">
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Component Specs and Lifecycle
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</a>
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</li>
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<li>
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<a href="/react/docs/tags-and-attributes.html">
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Supported Tags and Attributes
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</a>
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</li>
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<li>
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<a href="/react/docs/events.html">
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Event System
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</a>
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</li>
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<li>
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<a href="/react/docs/dom-differences.html">
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DOM Differences
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</a>
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</li>
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</ul>
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</div>
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<!-- Tips Nav -->
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<div class="nav-docs-section">
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<h3>Tips</h3>
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<ul>
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<li>
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<a href="/react/tips/introduction.html">Introduction</a>
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</li>
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<li>
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<a href="/react/tips/inline-styles.html">Inline Styles</a>
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</li>
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<li>
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<a href="/react/tips/if-else-in-JSX.html">If-Else in JSX</a>
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</li>
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<li>
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<a href="/react/tips/self-closing-tag.html">Self-Closing Tag</a>
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</li>
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<li>
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<a href="/react/tips/maximum-number-of-jsx-root-nodes.html">Maximum Number of JSX Root Nodes</a>
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</li>
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<li>
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<a href="/react/tips/style-props-value-px.html">Shorthand for Specifying Pixel Values in style props</a>
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</li>
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<li>
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<a href="/react/tips/children-props-type.html">Type of the Children props</a>
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</li>
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<li>
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<a href="/react/tips/controlled-input-null-value.html">Value of null for Controlled Input</a>
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</li>
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<li>
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<a href="/react/tips/componentWillReceiveProps-not-triggered-after-mounting.html">componentWillReceiveProps Not Triggered After Mounting</a>
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</li>
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<li>
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<a href="/react/tips/props-in-getInitialState-as-anti-pattern.html">Props in getInitialState Is an Anti-Pattern</a>
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</li>
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<li>
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<a href="/react/tips/dom-event-listeners.html">DOM Event Listeners in a Component</a>
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</li>
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<li>
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<a href="/react/tips/initial-ajax.html">Load Initial Data via AJAX</a>
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</li>
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<li>
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<a href="/react/tips/false-in-jsx.html">False in JSX</a>
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</li>
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</ul>
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</div>
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</div>
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<div class="inner-content">
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<h1>Getting Started</h1>
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<div class="subHeader"></div>
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<h2><a class="anchor" name="jsfiddle"></a>JSFiddle <a class="hash-link" href="#jsfiddle">#</a></h2>
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<p>The easiest way to start hacking on React is using the following JSFiddle Hello Worlds</p>
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<ul>
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<li><strong><a href="http://jsfiddle.net/vjeux/kb3gN/">React JSFiddle</a></strong></li>
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<li><a href="http://jsfiddle.net/vjeux/VkebS/">React JSFiddle without JSX</a></li>
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</ul>
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<h2><a class="anchor" name="starter-kit"></a>Starter Kit <a class="hash-link" href="#starter-kit">#</a></h2>
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<p>Download the starter kit to get started.</p>
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<div class="buttons-unit downloads">
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<a href="/react/downloads/react-0.5.1.zip" class="button">
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Download Starter Kit 0.5.1
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</a>
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</div>
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<p>In the root directory of the starter kit, create a <code>helloworld.html</code> with the following contents.</p>
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<div class="highlight"><pre><code class="html language-html" data-lang="html"><span class="cp"><!DOCTYPE html></span>
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<span class="nt"><html></span>
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<span class="nt"><head></span>
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<span class="nt"><script </span><span class="na">src=</span><span class="s">"build/react.min.js"</span><span class="nt">></script></span>
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<span class="nt"><script </span><span class="na">src=</span><span class="s">"build/JSXTransformer.js"</span><span class="nt">></script></span>
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<span class="nt"></head></span>
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<span class="nt"><body></span>
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<span class="nt"><div</span> <span class="na">id=</span><span class="s">"example"</span><span class="nt">></div></span>
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<span class="nt"><script </span><span class="na">type=</span><span class="s">"text/jsx"</span><span class="nt">></span>
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<span class="cm">/** @jsx React.DOM */</span>
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<span class="nx">React</span><span class="p">.</span><span class="nx">renderComponent</span><span class="p">(</span>
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<span class="o"><</span><span class="nx">h1</span><span class="o">></span><span class="nx">Hello</span><span class="p">,</span> <span class="nx">world</span><span class="o">!<</span><span class="err">/h1>,</span>
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<span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">'example'</span><span class="p">)</span>
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<span class="p">);</span>
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<span class="nt"></script></span>
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<span class="nt"></body></span>
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<span class="nt"></html></span>
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</code></pre></div>
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<p>The XML syntax inside of JavaScript is called JSX; check out the <a href="jsx-in-depth.html">JSX syntax</a> to learn more about it. In order to translate it to vanilla JavaScript we use <code><script type="text/jsx"></code> and include <code>JSXTransformer.js</code> to actually perform the transformation in the browser.</p>
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<h3><a class="anchor" name="separate-file"></a>Separate File <a class="hash-link" href="#separate-file">#</a></h3>
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<p>Your React JSX file can live in a separate file. Create the following <code>src/helloworld.js</code>.</p>
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<div class="highlight"><pre><code class="javascript language-javascript" data-lang="javascript"><span class="cm">/** @jsx React.DOM */</span>
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<span class="nx">React</span><span class="p">.</span><span class="nx">renderComponent</span><span class="p">(</span>
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<span class="o"><</span><span class="nx">h1</span><span class="o">></span><span class="nx">Hello</span><span class="p">,</span> <span class="nx">world</span><span class="o">!<</span><span class="err">/h1>,</span>
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<span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">'example'</span><span class="p">)</span>
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<span class="p">);</span>
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</code></pre></div>
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<p>Then reference it from <code>helloworld.html</code>:</p>
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<div class="highlight"><pre><code class="html language-html" data-lang="html"><span class="nt"><script </span><span class="na">type=</span><span class="s">"text/jsx"</span> <span class="na">src=</span><span class="s">"src/helloworld.js"</span><span class="nt">></script></span>
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</code></pre></div><h3><a class="anchor" name="offline-transform"></a>Offline Transform <a class="hash-link" href="#offline-transform">#</a></h3>
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<p>First install the command-line tools (requires <a href="http://npmjs.org/">npm</a>):</p>
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<div class="highlight"><pre><code class="text language-text" data-lang="text">npm install -g react-tools
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</code></pre></div>
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<p>Then, translate your <code>src/helloworld.js</code> file to plain JavaScript:</p>
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<div class="highlight"><pre><code class="text language-text" data-lang="text">jsx --watch src/ build/
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</code></pre></div>
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<p>The file <code>build/helloworld.js</code> is autogenerated whenever you make a change.</p>
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<div class="highlight"><pre><code class="javascript language-javascript" data-lang="javascript"><span class="cm">/** @jsx React.DOM */</span>
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<span class="nx">React</span><span class="p">.</span><span class="nx">renderComponent</span><span class="p">(</span>
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<span class="hll"> <span class="nx">React</span><span class="p">.</span><span class="nx">DOM</span><span class="p">.</span><span class="nx">h1</span><span class="p">(</span><span class="kc">null</span><span class="p">,</span> <span class="s1">'Hello, world!'</span><span class="p">),</span>
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</span> <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">'example'</span><span class="p">)</span>
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<span class="p">);</span>
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</code></pre></div>
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<blockquote>
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<p>Note:</p>
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<p>The comment parser is very strict right now, in order for it to pick up the <code>@jsx</code> modifier, two conditions are required. The <code>@jsx</code> comment block must be the first comment on the file. The comment must start with <code>/**</code> (<code>/*</code> and <code>//</code> will not work). If the parser can't find the <code>@jsx</code> comment, it will output the file without transforming it.</p>
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</blockquote>
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<p>Update your HTML file as below:</p>
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<div class="highlight"><pre><code class="html language-html" data-lang="html"><span class="cp"><!DOCTYPE html></span>
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<span class="nt"><html></span>
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<span class="nt"><head></span>
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<span class="nt"><title></span>Hello React!<span class="nt"></title></span>
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<span class="nt"><script </span><span class="na">src=</span><span class="s">"build/react.min.js"</span><span class="nt">></script></span>
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<span class="hll"> <span class="c"><!-- No need for JSXTransformer! --></span>
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</span> <span class="nt"></head></span>
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<span class="nt"><body></span>
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<span class="nt"><div</span> <span class="na">id=</span><span class="s">"example"</span><span class="nt">></div></span>
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<span class="hll"> <span class="nt"><script </span><span class="na">src=</span><span class="s">"build/helloworld.js"</span><span class="nt">></script></span>
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</span> <span class="nt"></body></span>
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<span class="nt"></html></span>
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</code></pre></div><h2><a class="anchor" name="want-commonjs"></a>Want CommonJS? <a class="hash-link" href="#want-commonjs">#</a></h2>
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<p>If you want to use React within a module system, <a href="http://github.com/facebook/react">fork our repo</a>, <code>npm install</code> and run <code>grunt</code>. A nice set of CommonJS modules will be generated. Our <code>jsx</code> build tool can be integrated into most packaging systems (not just CommonJS) quite easily.</p>
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<h2><a class="anchor" name="next-steps"></a>Next Steps <a class="hash-link" href="#next-steps">#</a></h2>
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<p>Check out <a href="tutorial.html">the tutorial</a> and the other examples in the <code>/examples</code> directory to learn more. Good luck, and welcome!</p>
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