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<p><code><strong>reverse()</strong></code> 方法将数组中元素的位置颠倒,并返回该数组。该方法会改变原数组。</p>
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<div><iframe class="interactive interactive-js" frameborder="0" height="250" src="https://interactive-examples.mdn.mozilla.net/pages/js/array-reverse.html" width="100%"></iframe></div>
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<h2 id="语法" style="margin-bottom: 20px; line-height: 30px;">语法</h2>
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<pre class="syntaxbox"><code><var> arr</var>.reverse()</code></pre>
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<pre><code class="language-javascript"><code><var> arr</var>.reverse()</code></code></pre>
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<h3 id="参数" style="line-height: 24px;">参数</h3>
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<p>无</p>
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<h2 id="描述" style="margin-bottom: 20px; line-height: 30px;">描述</h2>
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<h2 id="示例" style="margin-bottom: 20px; line-height: 30px;">示例</h2>
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<h3 id="例子:颠倒数组中的元素" style="line-height: 24px;">例子:颠倒数组中的元素</h3>
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<p>下例将会创建一个数组 sourceArray,其包含三个元素,然后颠倒该数组。</p>
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<pre class="brush: js">var sourceArray = ['one', 'two', 'three'];
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<pre><code class="language-javascript">var sourceArray = ['one', 'two', 'three'];
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var reverseArray = sourceArray.reverse();
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console.log(sourceArray ) // ['three', 'two', 'one']
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console.log(sourceArray === reverseArray); // true
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</pre>
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</code></pre>
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<h2 id="规范" style="margin-bottom: 20px; line-height: 30px;">规范</h2>
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<table class="standard-table">
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<tbody>
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