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语法高亮,滚动条美化,设置页面调整
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<div><iframe class="interactive interactive-js" frameborder="0" height="250" src="https://interactive-examples.mdn.mozilla.net/pages/js/date-sethours.html" width="100%"></iframe></div>
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<p class="hidden">The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone <a class="external" href="https://github.com/mdn/interactive-examples" rel="noopener">https://github.com/mdn/interactive-examples</a> and send us a pull request.</p>
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<h2 id="Syntax" name="Syntax">语法</h2>
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<pre class="syntaxbox">dateObj.setHours(<em>hoursValue</em>[, <em>minutesValue</em>[, <em>secondsValue</em><span style="line-height: normal;">[</span><span style="line-height: normal;">, </span><em>msValue</em><span style="line-height: normal;">]]])</span>
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</pre>
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<pre><code class="language-javascript">dateObj.setHours(<em>hoursValue</em>[, <em>minutesValue</em>[, <em>secondsValue</em><span style="line-height: normal;">[</span><span style="line-height: normal;">, </span><em>msValue</em><span style="line-height: normal;">]]])</span>
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</code></pre>
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<h3 id="Versions_prior_to_JavaScript_1.3" name="Versions_prior_to_JavaScript_1.3">JavaScript 1.3版本之前</h3>
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<pre class="syntaxbox"><code>dateObj.setHours(<em>hoursValue</em>) </code></pre>
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<pre><code class="language-javascript"><code>dateObj.setHours(<em>hoursValue</em>) </code></code></pre>
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<h3 id="Parameters" name="Parameters">参数</h3>
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<dl>
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<dt><code>hoursValue</code></dt>
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<p>如果有一个参数超出了合理范围,<code>setHours</code> 会相应地更新日期对象中的日期信息。例如,如果为 <code>secondsValue</code> 指定了 100,则分钟会加 1,然后秒数使用 40。</p>
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<h2 id="Examples" name="Examples">例子</h2>
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<h3 id="Example:_Using_setHours" name="Example:_Using_setHours">例子:使用<code>setHours方法</code></h3>
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<pre class="brush:js">var theBigDay = new Date();
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<pre><code class="language-js">var theBigDay = new Date();
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theBigDay.setHours(7);
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</pre>
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</code></pre>
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<h2 id="规范">规范</h2>
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<table class="standard-table">
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<tbody>
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