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                    1-6 使用 DevServer
            
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                    1-7 核心概念
            
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                    2-1 Entry
            
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                    2-2 Output
            
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                    2-3 Module
            
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                    2-4 Resolve
            
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                    2-5 Plugins
            
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                    2-6 DevServer
            
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                    2-7 其它配置项
            
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                    2-8 整体配置结构
            
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                    2-9 多种配置类型
            
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                    2-10 配置总结
            
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                    第3章 实战
            
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                    3-1 使用 ES6 语言
            
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                    3-4 使用 SCSS
            
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                    3-5 使用 PostCSS
            
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                    3-6 使用 React 框架
            
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                    3-7 使用 Vue 框架
            
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                    3-8 使用 Angular2 框架
            
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                    3-9 为单页应用生成 HTML
            
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                    3-10 管理多个单页应用
            
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                    3-11 构建同构应用
            
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                    3-12 构建 Electron 应用
            
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                    3-13 构建 Npm 模块
            
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                    3-14 构建离线应用
            
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                    3-15 搭配 Npm Script
            
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                    3-16 检查代码
            
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                    3-17 通过 Node.js API 启动 Webpack
            
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                    3-18 使用 Webpack Dev Middleware
            
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                    3-19 加载图片
            
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                    3-20 加载SVG
            
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                    3-21 加载 Source Map
            
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                    3-22 实战总结
            
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                    第4章 优化
            
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                    4-1 缩小文件搜索范围
            
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                    4-2 使用 DllPlugin
            
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                    4-3 使用 HappyPack
            
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                    4-4 使用 ParallelUglifyPlugin
            
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                    4-5 使用自动刷新
            
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                    4-6 开启模块热替换
            
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                    4-7 区分环境
            
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                    4-8 压缩代码
            
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                    4-9 CDN 加速
            
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                    4-10 使用 Tree Shaking
            
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                    4-11 提取公共代码
            
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                    4-12 按需加载
            
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                    4-13 使用 Prepack
            
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<li class="chapter " data-level="1.6.14" data-path="../4优化/4-14开启ScopeHoisting.html">
  
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                    4-14 开启 Scope Hoisting
            
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<li class="chapter " data-level="1.6.15" data-path="../4优化/4-15输出分析.html">
  
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                    4-15 输出分析
            
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<li class="chapter " data-level="1.6.16" data-path="../4优化/4-16优化总结.html">
  
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                    4-16 优化总结
            
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<li class="chapter " data-level="1.7" data-path="../5原理/">
  
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                    第5章 原理
            
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                                <h1 id="3-6-&#x4F7F;&#x7528;-react-&#x6846;&#x67B6;">3-6 &#x4F7F;&#x7528; React &#x6846;&#x67B6;</h1>
<h2 id="react-&#x8BED;&#x6CD5;&#x7279;&#x5F81;">React &#x8BED;&#x6CD5;&#x7279;&#x5F81;</h2>
<p>&#x4F7F;&#x7528;&#x4E86; React &#x9879;&#x76EE;&#x7684;&#x4EE3;&#x7801;&#x7279;&#x5F81;&#x6709; JSX &#x548C; Class &#x8BED;&#x6CD5;&#xFF0C;&#x4F8B;&#x5982;&#xFF1A;</p>
<pre><code class="lang-jsx"><span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">Button</span> <span class="hljs-keyword">extends</span> <span class="hljs-title">Component</span> </span>{
  render() {
    <span class="hljs-keyword">return</span> <span class="xml"><span class="hljs-tag">&lt;<span class="hljs-name">h1</span>&gt;</span>Hello,Webpack<span class="hljs-tag">&lt;/<span class="hljs-name">h1</span>&gt;</span></span>
  }
}
</code></pre>
<blockquote>
<p>&#x5728;&#x4F7F;&#x7528;&#x4E86; React &#x7684;&#x9879;&#x76EE;&#x91CC; JSX &#x548C; Class &#x8BED;&#x6CD5;&#x5E76;&#x4E0D;&#x662F;&#x5FC5;&#x987B;&#x7684;&#xFF0C;&#x4F46;&#x4F7F;&#x7528;&#x65B0;&#x8BED;&#x6CD5;&#x5199;&#x51FA;&#x7684;&#x4EE3;&#x7801;&#x770B;&#x4E0A;&#x53BB;&#x66F4;&#x4F18;&#x96C5;&#x3002;</p>
</blockquote>
<p>&#x5176;&#x4E2D; JSX &#x8BED;&#x6CD5;&#x662F;&#x65E0;&#x6CD5;&#x5728;&#x4EFB;&#x4F55;&#x73B0;&#x6709;&#x7684; JavaScript &#x5F15;&#x64CE;&#x4E2D;&#x8FD0;&#x884C;&#x7684;&#xFF0C;&#x6240;&#x4EE5;&#x5728;&#x6784;&#x5EFA;&#x8FC7;&#x7A0B;&#x4E2D;&#x9700;&#x8981;&#x628A;&#x6E90;&#x7801;&#x8F6C;&#x6362;&#x6210;&#x53EF;&#x4EE5;&#x8FD0;&#x884C;&#x7684;&#x4EE3;&#x7801;&#xFF0C;&#x4F8B;&#x5982;&#xFF1A;</p>
<pre><code class="lang-jsx"><span class="hljs-comment">// &#x539F; JSX &#x8BED;&#x6CD5;&#x4EE3;&#x7801;</span>
<span class="hljs-keyword">return</span> <span class="xml"><span class="hljs-tag">&lt;<span class="hljs-name">h1</span>&gt;</span>Hello,Webpack<span class="hljs-tag">&lt;/<span class="hljs-name">h1</span>&gt;</span></span>

<span class="hljs-comment">// &#x88AB;&#x8F6C;&#x6362;&#x6210;&#x6B63;&#x5E38;&#x7684; JavaScript &#x4EE3;&#x7801;</span>
<span class="hljs-keyword">return</span> React.createElement(<span class="hljs-string">&apos;h1&apos;</span>, <span class="hljs-literal">null</span>, <span class="hljs-string">&apos;Hello,Webpack&apos;</span>)
</code></pre>
<p>&#x76EE;&#x524D; Babel &#x548C; TypeScript &#x90FD;&#x63D0;&#x4F9B;&#x4E86;&#x5BF9; React &#x8BED;&#x6CD5;&#x7684;&#x652F;&#x6301;&#xFF0C;&#x4E0B;&#x9762;&#x5206;&#x522B;&#x6765;&#x4ECB;&#x7ECD;&#x5982;&#x4F55;&#x5728;&#x4F7F;&#x7528; Babel &#x6216; TypeScript &#x7684;&#x9879;&#x76EE;&#x4E2D;&#x63A5;&#x5165; React &#x6846;&#x67B6;&#x3002;</p>
<p></p><p>&#x60F3;&#x6DF1;&#x5165;&#x5B66;&#x4E60; &#x6DF1;&#x5165; React&#xFF0C;&#x63A8;&#x8350;&#x300A;React &#x7CBE;&#x9AD3;&#x300B;&#xFF1A;</p>
<a href="http://union-click.jd.com/jdc?d=NLTvYa" target="_blank">
<img src="http://img11.360buyimg.com/n1/jfs/t2935/9/345124300/315949/c3e6ecc1/57568847Ndcfccba0.jpg">
</a><p></p>
<h2 id="react-&#x4E0E;-babel">React &#x4E0E; Babel</h2>
<p>&#x8981;&#x5728;&#x4F7F;&#x7528; Babel &#x7684;&#x9879;&#x76EE;&#x4E2D;&#x63A5;&#x5165; React &#x6846;&#x67B6;&#x662F;&#x5F88;&#x7B80;&#x5355;&#x7684;&#xFF0C;&#x53EA;&#x9700;&#x8981;&#x52A0;&#x5165; React &#x6240;&#x4F9D;&#x8D56;&#x7684; Presets <a href="https://babeljs.io/docs/plugins/preset-react/" target="_blank">babel-preset-react</a>&#x3002;
&#x63A5;&#x4E0B;&#x6765;&#x901A;&#x8FC7;&#x4FEE;&#x6539;&#x524D;&#x9762;&#x8BB2;&#x8FC7;&#x7684;<a href="3-1&#x4F7F;&#x7528;ES6&#x8BED;&#x8A00;.html">3-1 &#x4F7F;&#x7528; ES6 &#x8BED;&#x8A00;</a>&#x4E2D;&#x7684;&#x9879;&#x76EE;&#xFF0C;&#x4E3A;&#x5176;&#x63A5;&#x5165; React &#x6846;&#x67B6;&#x3002;</p>
<p>&#x901A;&#x8FC7;&#x4EE5;&#x4E0B;&#x547D;&#x4EE4;&#xFF1A;</p>
<pre><code class="lang-bash"><span class="hljs-comment"># &#x5B89;&#x88C5; React &#x57FA;&#x7840;&#x4F9D;&#x8D56;</span>
npm i -D react react-dom
<span class="hljs-comment"># &#x5B89;&#x88C5; babel &#x5B8C;&#x6210;&#x8BED;&#x6CD5;&#x8F6C;&#x6362;&#x6240;&#x9700;&#x4F9D;&#x8D56;</span>
npm i -D babel-preset-react
</code></pre>
<p>&#x5B89;&#x88C5;&#x65B0;&#x7684;&#x4F9D;&#x8D56;&#x540E;&#xFF0C;&#x518D;&#x4FEE;&#x6539; <code>.babelrc</code> &#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x52A0;&#x5165; React Presets</p>
<pre><code class="lang-json"><span class="hljs-string">&quot;presets&quot;</span>: [
    <span class="hljs-string">&quot;react&quot;</span>
],
</code></pre>
<p>&#x5C31;&#x5B8C;&#x6210;&#x4E86;&#x4E00;&#x5207;&#x51C6;&#x5907;&#x5DE5;&#x4F5C;&#x3002;</p>
<p>&#x518D;&#x4FEE;&#x6539; <code>main.js</code> &#x6587;&#x4EF6;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre><code class="lang-jsx"><span class="hljs-keyword">import</span> * <span class="hljs-keyword">as</span> React <span class="hljs-keyword">from</span> <span class="hljs-string">&apos;react&apos;</span>;
<span class="hljs-keyword">import</span> { Component } <span class="hljs-keyword">from</span> <span class="hljs-string">&apos;react&apos;</span>;
<span class="hljs-keyword">import</span> { render } <span class="hljs-keyword">from</span> <span class="hljs-string">&apos;react-dom&apos;</span>;

<span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">Button</span> <span class="hljs-keyword">extends</span> <span class="hljs-title">Component</span> </span>{
  render() {
    <span class="hljs-keyword">return</span> <span class="xml"><span class="hljs-tag">&lt;<span class="hljs-name">h1</span>&gt;</span>Hello,Webpack<span class="hljs-tag">&lt;/<span class="hljs-name">h1</span>&gt;</span></span>
  }
}

render(<span class="xml"><span class="hljs-tag">&lt;<span class="hljs-name">Button</span>/&gt;</span></span>, <span class="hljs-built_in">window</span>.document.getElementById(<span class="hljs-string">&apos;app&apos;</span>));
</code></pre>
<p>&#x91CD;&#x65B0;&#x6267;&#x884C;&#x6784;&#x5EFA;&#x6253;&#x5F00;&#x7F51;&#x9875;&#x4F60;&#x5C06;&#x4F1A;&#x53D1;&#x73B0;&#x7531; React &#x6E32;&#x67D3;&#x51FA;&#x6765;&#x7684; <code>Hello,Webpack</code>&#x3002;</p>
<blockquote>
<p>&#x672C;&#x5B9E;&#x4F8B;<a href="http://webpack.wuhaolin.cn/3-6&#x4F7F;&#x7528;React&#x6846;&#x67B6;Babel.zip" target="_blank">&#x63D0;&#x4F9B;&#x9879;&#x76EE;&#x5B8C;&#x6574;&#x4EE3;&#x7801;</a></p>
</blockquote>
<hr>
<h2 id="react-&#x4E0E;-typescript">React &#x4E0E; TypeScript</h2>
<p>TypeScript &#x76F8;&#x6BD4;&#x4E8E; Babel &#x7684;&#x4F18;&#x70B9;&#x5728;&#x4E8E;&#x5B83;&#x539F;&#x751F;&#x652F;&#x6301; JSX &#x8BED;&#x6CD5;&#xFF0C;&#x4F60;&#x4E0D;&#x9700;&#x8981;&#x91CD;&#x65B0;&#x5B89;&#x88C5;&#x65B0;&#x7684;&#x4F9D;&#x8D56;&#xFF0C;&#x53EA;&#x9700;&#x4FEE;&#x6539;&#x4E00;&#x884C;&#x914D;&#x7F6E;&#x3002;
&#x4F46; TypeScript &#x7684;&#x4E0D;&#x540C;&#x5728;&#x4E8E;&#xFF1A;</p>
<ul>
<li>&#x4F7F;&#x7528;&#x4E86; JSX &#x8BED;&#x6CD5;&#x7684;&#x6587;&#x4EF6;&#x540E;&#x7F00;&#x5FC5;&#x987B;&#x662F; <code>tsx</code>&#x3002;</li>
<li>&#x7531;&#x4E8E; React &#x4E0D;&#x662F;&#x91C7;&#x7528; TypeScript &#x7F16;&#x5199;&#x7684;&#xFF0C;&#x9700;&#x8981;&#x5B89;&#x88C5; <code>react</code> &#x548C; <code>react-dom</code> &#x5BF9;&#x5E94;&#x7684; TypeScript &#x63A5;&#x53E3;&#x63CF;&#x8FF0;&#x6A21;&#x5757; <code>@types/react</code> &#x548C; <code>@types/react-dom</code> &#x540E;&#x624D;&#x80FD;&#x901A;&#x8FC7;&#x7F16;&#x8BD1;&#x3002;</li>
</ul>
<p>&#x63A5;&#x4E0B;&#x6765;&#x901A;&#x8FC7;&#x4FEE;&#x6539;<a href="3-2&#x4F7F;&#x7528;TypeScript&#x8BED;&#x8A00;.html">3-2 &#x4F7F;&#x7528; TypeScript &#x8BED;&#x8A00;</a>&#x4E2D;&#x8BB2;&#x8FC7;&#x7684;&#x7684;&#x9879;&#x76EE;&#xFF0C;&#x4E3A;&#x5176;&#x63A5;&#x5165; React &#x6846;&#x67B6;&#x3002;
&#x4FEE;&#x6539; TypeScript &#x7F16;&#x8BD1;&#x5668;&#x914D;&#x7F6E;&#x6587;&#x4EF6; <code>tsconfig.json</code> &#x589E;&#x52A0;&#x5BF9; JSX &#x8BED;&#x6CD5;&#x7684;&#x652F;&#x6301;&#xFF0C;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre><code class="lang-js">{
  <span class="hljs-string">&quot;compilerOptions&quot;</span>: {
    <span class="hljs-string">&quot;jsx&quot;</span>: <span class="hljs-string">&quot;react&quot;</span> <span class="hljs-comment">// &#x5F00;&#x542F; jsx &#xFF0C;&#x652F;&#x6301; React</span>
  }
}
</code></pre>
<p>&#x7531;&#x4E8E; <code>main.js</code> &#x6587;&#x4EF6;&#x4E2D;&#x5B58;&#x5728; JSX &#x8BED;&#x6CD5;&#xFF0C;&#x518D;&#x628A; <code>main.js</code> &#x6587;&#x4EF6;&#x91CD;&#x547D;&#x540D;&#x4E3A; <code>main.tsx</code>&#xFF0C;&#x540C;&#x65F6;&#x4FEE;&#x6539;&#x6587;&#x4EF6;&#x5185;&#x5BB9;&#x4E3A;&#x5728;&#x4E0A;&#x9762; <em>React &#x4E0E; Babel</em> &#x91CC;&#x6240;&#x91C7;&#x7528;&#x7684; React &#x4EE3;&#x7801;&#x3002;
&#x540C;&#x65F6;&#x4E3A;&#x4E86;&#x8BA9; Webpack &#x5BF9;&#x9879;&#x76EE;&#x91CC;&#x7684; ts &#x4E0E; tsx &#x539F;&#x6587;&#x4EF6;&#x90FD;&#x91C7;&#x7528; <code>awesome-typescript-loader</code> &#x53BB;&#x8F6C;&#x6362;&#xFF0C;
&#x9700;&#x8981;&#x6CE8;&#x610F;&#x7684;&#x662F; Webpack Loader &#x914D;&#x7F6E;&#x7684; <code>test</code> &#x9009;&#x9879;&#x9700;&#x8981;&#x5339;&#x914D;&#x5230; tsx &#x7C7B;&#x578B;&#x7684;&#x6587;&#x4EF6;&#xFF0C;&#x5E76;&#x4E14; <code>extensions</code> &#x4E2D;&#x4E5F;&#x8981;&#x52A0;&#x4E0A; <code>.tsx</code>&#xFF0C;&#x914D;&#x7F6E;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre><code class="lang-js"><span class="hljs-keyword">const</span> path = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;path&apos;</span>);

<span class="hljs-built_in">module</span>.exports = {
  <span class="hljs-comment">// TS &#x6267;&#x884C;&#x5165;&#x53E3;&#x6587;&#x4EF6;</span>
  entry: <span class="hljs-string">&apos;./main&apos;</span>,
  output: {
    filename: <span class="hljs-string">&apos;bundle.js&apos;</span>,
    path: path.resolve(__dirname, <span class="hljs-string">&apos;./dist&apos;</span>),
  },
  resolve: {
    <span class="hljs-comment">// &#x5148;&#x5C1D;&#x8BD5; ts&#xFF0C;tsx &#x540E;&#x7F00;&#x7684; TypeScript &#x6E90;&#x7801;&#x6587;&#x4EF6; </span>
    extensions: [<span class="hljs-string">&apos;.ts&apos;</span>, <span class="hljs-string">&apos;.tsx&apos;</span>, <span class="hljs-string">&apos;.js&apos;</span>,] 
  },
  <span class="hljs-built_in">module</span>: {
    rules: [
      {
        <span class="hljs-comment">// &#x540C;&#x65F6;&#x5339;&#x914D; ts&#xFF0C;tsx &#x540E;&#x7F00;&#x7684; TypeScript &#x6E90;&#x7801;&#x6587;&#x4EF6; </span>
        test: <span class="hljs-regexp">/\.tsx?$/</span>,
        loader: <span class="hljs-string">&apos;awesome-typescript-loader&apos;</span>
      }
    ]
  },
  devtool: <span class="hljs-string">&apos;source-map&apos;</span>,<span class="hljs-comment">// &#x8F93;&#x51FA; Source Map &#x65B9;&#x4FBF;&#x5728;&#x6D4F;&#x89C8;&#x5668;&#x91CC;&#x8C03;&#x8BD5; TypeScript &#x4EE3;&#x7801;</span>
};
</code></pre>
<p>&#x901A;&#x8FC7;</p>
<pre><code class="lang-bash">npm i react react-dom @types/react @types/react-dom
</code></pre>
<p>&#x5B89;&#x88C5;&#x65B0;&#x7684;&#x4F9D;&#x8D56;&#x540E;&#x91CD;&#x542F;&#x6784;&#x5EFA;&#xFF0C;&#x91CD;&#x65B0;&#x6253;&#x5F00;&#x7F51;&#x9875;&#x4F60;&#x5C06;&#x4F1A;&#x53D1;&#x73B0;&#x7531; React &#x6E32;&#x67D3;&#x51FA;&#x6765;&#x7684; <code>Hello,Webpack</code>&#x3002;</p>
<blockquote>
<p>&#x672C;&#x5B9E;&#x4F8B;<a href="http://webpack.wuhaolin.cn/3-6&#x4F7F;&#x7528;React&#x6846;&#x67B6;TypeScript.zip" target="_blank">&#x63D0;&#x4F9B;&#x9879;&#x76EE;&#x5B8C;&#x6574;&#x4EE3;&#x7801;</a></p>
</blockquote>

                                
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