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HTML
531 lines
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HTML
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<title>始めてみましょう | React</title>
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<h3>Reference</h3>
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<a href="/react/docs/dom-differences.html">DOM Differences</a>
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<a href="/react/docs/glossary.html">React (Virtual) DOM Terminology</a>
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<h3>Flux</h3>
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<a href="https://facebook.github.io/flux/docs/overview.html">Flux Overview</a>
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<a href="https://facebook.github.io/flux/docs/todo-list.html">Flux TodoMVC Tutorial</a>
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<!-- Tips Nav -->
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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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<a href="/react/tips/inline-styles.html">Inline Styles</a>
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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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<a href="/react/tips/self-closing-tag.html">Self-Closing Tag</a>
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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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<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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<li>
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<a href="/react/tips/communicate-between-components.html">Communicate Between Components</a>
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</li>
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<li>
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<a href="/react/tips/expose-component-functions.html">Expose Component Functions</a>
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</li>
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<li>
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<a href="/react/tips/children-undefined.html">this.props.children undefined</a>
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</li>
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<li>
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<a href="/react/tips/use-react-with-other-libraries.html">Use React with Other Libraries</a>
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</li>
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<li>
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<a href="/react/tips/dangerously-set-inner-html.html">Dangerously Set innerHTML</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>
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始めてみましょう
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<a class="edit-page-link" href="https://github.com/facebook/react/tree/master/docs/docs/getting-started.ja-JP.md" target="_blank">Edit on GitHub</a>
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</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>React でのハッキングを始めるにあたり、一番簡単なものとして次の JSFiddle で動いている Hello World の例を取り上げます。</p>
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<ul>
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<li><strong><a href="https://jsfiddle.net/reactjs/69z2wepo/">React JSFiddle</a></strong></li>
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<li><a href="https://jsfiddle.net/reactjs/5vjqabv3/">React JSFiddle without JSX</a></li>
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</ul>
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<h2><a class="anchor" name=""></a>スターターキット <a class="hash-link" href="#">#</a></h2>
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<p>始めるためにスターターキットをダウンロードしましょう。</p>
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<div class="buttons-unit downloads">
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<a href="/react/downloads/react-0.14.0.zip" class="button">
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Download Starter Kit 0.14.0
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</a>
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</div>
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<p>スターターキットのルートディレクトリに <code>helloworld.html</code> を作り、次のように書いてみましょう。</p>
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<div class="highlight"><pre><code class="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"><meta</span> <span class="na">charset=</span><span class="s">"UTF-8"</span> <span class="nt">/></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.js"</span><span class="nt">></script></span>
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<span class="nt"><script </span><span class="na">src=</span><span class="s">"https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.23/browser.min.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/babel"</span><span class="nt">></span>
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<span class="nx">ReactDOM</span><span class="p">.</span><span class="nx">render</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>JavaScript の中に書かれた XML シンタックスは JSX と呼ばれるものです（JSX の詳しいことについては <a href="/react/docs/jsx-in-depth.html">JSX syntax</a> を読んでください）。ここでは JSX から vanilla JavaScript への変換をブラウザ内で行わせるため、先程のコードには <code><script type="text/jsx"></code> と書いており、加えて <code>JSXTransformer.js</code> を読み込ませています。</p>
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<h3><a class="anchor" name=""></a>ファイルの分割 <a class="hash-link" href="#">#</a></h3>
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<p>React の JSX コードは別ファイルに分離することができます。 次のような <code>src/helloworld.js</code> を作ってみましょう。</p>
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<div class="highlight"><pre><code class="language-javascript" data-lang="javascript"><span class="nx">ReactDOM</span><span class="p">.</span><span class="nx">render</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>それが終わったら、<code>helloworld.js</code> への参照を <code>helloworld.html</code> に書き込みましょう。</p>
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<div class="highlight"><pre><code class="language-html" data-lang="html"><span class="nt"><script </span><span class="na">type=</span><span class="s">"text/babel"</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=""></a>オフラインでの変換 <a class="hash-link" href="#">#</a></h3>
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<p>まずはコマンドラインツールをインストールしましょう（<a href="https://www.npmjs.com/">npm</a> が必要です）。</p>
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<div class="highlight"><pre><code class="language-text" data-lang="text">npm install -g react-tools
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</code></pre></div>
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<p>インストールが終わったら、先程書いた <code>src/helloworld.js</code> ファイルを生の JavaScript に変換してみましょう。</p>
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<div class="highlight"><pre><code class="language-text" data-lang="text">jsx --watch src/ build/
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</code></pre></div>
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<p>すると、<code>src/helloword.js</code> に変更を加えるごとに <code>build/helloworld.js</code> が自動で生成されるようになります。</p>
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<div class="highlight"><pre><code class="language-javascript" data-lang="javascript"><span class="nx">ReactDOM</span><span class="p">.</span><span class="nx">render</span><span class="p">(</span>
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<span class="hll"> <span class="nx">React</span><span class="p">.</span><span class="nx">createElement</span><span class="p">(</span><span class="s1">'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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<p>最後に HTML ファイルを以下のように書き換えましょう。</p>
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|
<div class="highlight"><pre><code class="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>
|
|
<span class="nt"><meta</span> <span class="na">charset=</span><span class="s">"UTF-8"</span> <span class="nt">/></span>
|
|
<span class="nt"><title></span>Hello React!<span class="nt"></title></span>
|
|
<span class="nt"><script </span><span class="na">src=</span><span class="s">"build/react.js"</span><span class="nt">></script></span>
|
|
<span class="hll"> <span class="c"><!-- Babel は必要ありません！ --></span>
|
|
</span> <span class="nt"></head></span>
|
|
<span class="nt"><body></span>
|
|
<span class="nt"><div</span> <span class="na">id=</span><span class="s">"example"</span><span class="nt">></div></span>
|
|
<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>
|
|
</span> <span class="nt"></body></span>
|
|
<span class="nt"></html></span>
|
|
</code></pre></div><h2><a class="anchor" name="commonjs-"></a>CommonJS を使うには <a class="hash-link" href="#commonjs-">#</a></h2>
|
|
<p>React を <a href="http://browserify.org/">browserify</a> や <a href="https://webpack.github.io/">webpack</a>、または CommonJS 準拠の他のモジュールシステムと一緒に使いたい場合、 <a href="https://www.npmjs.com/package/react"><code>react</code> npm package</a> を使ってみてください。また、<code>jsx</code> ビルドツールをパッケージングシステム（CommonJS に限らず）に導入することも非常に簡単です。</p>
|
|
<h2><a class="anchor" name=""></a>次にすること <a class="hash-link" href="#">#</a></h2>
|
|
<p><a href="/react/docs/tutorial-ja-JP.html">チュートリアル</a> や、スターターキットの <code>examples</code> ディレクトリに入っている他の例を読んでみてください。</p>
|
|
|
|
<p>また、<a href="https://github.com/facebook/react/wiki/Complementary-Tools">ワークフロー、UIコンポーネント、ルーティング、データマネジメントなど</a>の方面で貢献しているコミュニティの wiki もあります。</p>
|
|
|
|
<p>幸運を祈ります！React へようこそ！</p>
|
|
|
|
|
|
<div class="docs-prevnext">
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<a class="docs-next" href="/react/docs/tutorial-ja-JP.html">Next →</a>
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A Facebook & Instagram collaboration.<br>
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<a href="/react/acknowledgements.html">Acknowledgements</a>
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</div>
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<div class="right">
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© 2013–2015 Facebook Inc.<br>
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Documentation licensed under <a href="https://creativecommons.org/licenses/by/4.0/">CC BY 4.0</a>.
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