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---
title: Date.prototype.getHours()
slug: Web/JavaScript/Reference/Global_Objects/Date/getHours
translation_of: Web/JavaScript/Reference/Global_Objects/Date/getHours
---
<p>{{JSRef("Global_Objects", "Date")}}</p>
<p><strong><code>getHours()</code></strong> 方法根据本地时间，返回一个指定的日期对象的小时。</p>
<div>{{EmbedInteractiveExample("pages/js/date-gethours.html")}}</div>
<h2 id="语法">语法</h2>
<pre class="syntaxbox language-html" style="margin-bottom: 0px; padding: 1em; border-left-width: 6px; border-left-style: solid; font-family: Consolas, Monaco, 'Andale Mono', monospace; font-size: 14px; text-shadow: none; direction: ltr; white-space: normal; background-color: rgba(212, 221, 228, 0.498039);"><var>dateObj</var>.getHours()</pre>
<h3 id="Parameters" name="Parameters">参数</h3>
<p>无</p>
<h3 id="Description" name="Description">返回值</h3>
<p><code>getHours</code>返回一个0 到 23之间的整数值。</p>
<h2 id="Examples" name="Examples">例子</h2>
<h3 id="Example:_Using_getHours" name="Example:_Using_getHours">例子:使用<code>getHours</code>方法</h3>
<p>下面第二条语句，基于日期对象 <code>Xmas95 </code>的值，把 23 赋值给了变量 <code>hours。</code></p>
<pre class="brush:js language-js" style="padding: 1em 0px 1em 30px; border-left-width: 6px; border-left-style: solid; font-family: Consolas, Monaco, 'Andale Mono', monospace; font-size: 14px; text-shadow: none; direction: ltr; white-space: normal; background-color: rgba(234, 239, 242, 0.247059);"><code class="language-js" style="font-family: Consolas, Monaco, 'Andale Mono', monospace; color: inherit; text-shadow: none; direction: ltr; white-space: pre;">var Xmas95 = new Date("December 25, 1995 23:15:00");
var hours = Xmas95.getHours();
alert(hours); // 23</code></pre>
<h2 id="规范" style="margin-bottom: 20px; line-height: 30px;">规范</h2>
<table class="standard-table">
<tbody>
<tr>
<th scope="col">规范版本</th>
<th scope="col">规范状态</th>
<th scope="col">注解</th>
</tr>
<tr>
<td>ECMAScript 1st Edition. Implemented in JavaScript 1.0</td>
<td>Standard</td>
<td>Initial definition.</td>
</tr>
<tr>
<td>{{SpecName('ES5.1', '#sec-15.9.5.18', 'Date.prototype.getHours')}}</td>
<td>{{Spec2('ES5.1')}}</td>
<td> </td>
</tr>
<tr>
<td>{{SpecName('ES6', '#sec-date.prototype.gethours', 'Date.prototype.getHours')}}</td>
<td>{{Spec2('ES6')}}</td>
<td> </td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性" style="margin-bottom: 20px; line-height: 30px;">浏览器兼容性</h2>
<p>{{Compat("javascript.builtins.Date.getHours")}}</p>
<h2 id="See_Also" name="See_Also" style="margin-bottom: 20px; line-height: 30px;">相关链接</h2>
<ul>
<li>{{jsxref("Date.prototype.getUTCHours()")}}</li>
<li>{{jsxref("Date.prototype.setHours()")}}</li>
</ul>
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