---
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="brush: js"><var>dateObj</var>.getHours()</pre>

<h3 id="Parameters">参数</h3>

<p>无</p>

<h3 id="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">例子</h2>

<h3 id="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">var Xmas95 = new Date("December 25, 1995 23:15:00");
var hours = Xmas95.getHours();

alert(hours); // 23</pre>

<h2 id="规范">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">浏览器兼容性</h2>

<p>{{Compat("javascript.builtins.Date.getHours")}}</p>

<h2 id="See_Also">相关链接</h2>

<ul>
 <li>{{jsxref("Date.prototype.getUTCHours()")}}</li>
 <li>{{jsxref("Date.prototype.setHours()")}}</li>
</ul>