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28 lines
1.6 KiB
HTML
28 lines
1.6 KiB
HTML
<article id="wikiArticle">
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<div> <div class="blockIndicator nonStandard nonStandardHeader">
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<p><strong><span class="icon-only-inline" title="This API has not been standardized."><i class="icon-warning-sign"> </i></span> 非标准</strong><br/>
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该特性是非标准的，请尽量不要在生产环境中使用它！</p>
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</div></div>
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<h2 id="概述">概述</h2>
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<p>判断一个函数是否是一个<a href="/zh-cn/JavaScript/Guide/Iterators_and_Generators#Generators.3a_a_better_way_to_build_Iterators" title="zh-cn/Core JavaScript 1.5 Guide/Iterators and Generators#Generators.3a a better way to build Iterators">生成器</a>.</p>
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<h2 id="语法">语法</h2>
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<pre><code class="language-javascript"><code><var>fun</var>.isGenerator()</code></code></pre>
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<h2 id="描述">描述</h2>
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<p>该方法用来判断一个函数是否是一个<a href="/zh-cn/JavaScript/Guide/Iterators_and_Generators#Generators.3a_a_better_way_to_build_Iterators" title="zh-cn/Core JavaScript 1.5 Guide/Iterators and Generators#Generators.3a a better way to build Iterators">生成器</a>.</p>
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<h2 id="例子">例子</h2>
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<pre><code class="language-javascript">function f() {}
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function* g() {
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yield 42;
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}
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console.log("f.isGenerator() = " + f.isGenerator());
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console.log("g.isGenerator() = " + g.isGenerator());
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</code></pre>
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<p>上面代码的输出结果为</p>
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<pre>f.isGenerator() = false
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g.isGenerator() = true
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</code></pre>
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<h2 id="相关链接">相关链接</h2>
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<ul>
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<li><a href="/zh-cn/JavaScript/Guide/Iterators_and_Generators" title="zh-cn/Core JavaScript 1.5 Guide/Iterators and Generators">迭代器和生成器</a></li>
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</ul>
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</article> |