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---
title: Date.prototype.getDate()
slug: Web/JavaScript/Reference/Global_Objects/Date/getDate
translation_of: Web/JavaScript/Reference/Global_Objects/Date/getDate
---
<p>{{JSRef("Global_Objects", "Date")}}</p>
<p>根据本地时间，返回一个指定的日期对象为一个月中的哪一日（从1--31）。</p>
<div>{{EmbedInteractiveExample("pages/js/date-getdate.html")}}</div>
<h2 id="Syntax" name="Syntax">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);"><code class="language-html" style="font-family: Consolas, Monaco, 'Andale Mono', monospace; color: inherit; text-shadow: none; direction: ltr;">dateObj.getDate()</code></pre>
<h2 id="Parameters" name="Parameters">参数</h2>
<p>无</p>
<h2 id="Description" name="Description">描述</h2>
<p><code>getDate() </code>返回一个1 到 31的整数值。</p>
<h2 id="Examples" name="Examples">例子</h2>
<h3 id="Example:_Using_getDate" name="Example:_Using_getDate">例子: 使用getDate()<code>方法</code></h3>
<p>下面第二条语句将值25赋给 day 变量，该值<span style="line-height: 1.5;">基于日期对象 </span><code style="font-style: normal; line-height: 1.5;">Xmax95</code><span style="line-height: 1.5;">的值。</span></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;"><span class="keyword token" style="color: #0077aa;">var</span> Xmas95 <span class="operator token" style="background: rgba(255, 255, 255, 0.498039); color: #a67f59;">=</span> <span class="keyword token" style="color: #0077aa;">new</span> <span class="class-name token">Date</span><span class="punctuation token" style="color: #999999;">(</span><span class="string token" style="color: #669900;">"December 25, 1995 23:15:00"</span><span class="punctuation token" style="color: #999999;">)</span><span class="punctuation token" style="color: #999999;">;</span>
<span class="keyword token" style="color: #0077aa;">var</span> day <span class="operator token" style="background: rgba(255, 255, 255, 0.498039); color: #a67f59;">=</span> Xmas95<span class="punctuation token" style="color: #999999;">.</span><span class="function token">getDate<span class="punctuation token" style="color: #999999;">(</span></span><span class="punctuation token" style="color: #999999;">)</span><span class="punctuation token" style="color: #999999;">;</span>
<span class="function token">alert<span class="punctuation token" style="color: #999999;">(</span></span>day<span class="punctuation token" style="color: #999999;">)</span><span class="punctuation token" style="color: #999999;">;</span><span class="comment token" style="color: #708090; display: inherit;"> // 25</span></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 1.1</td>
<td>Standard</td>
<td>Initial definition.</td>
</tr>
<tr>
<td>{{SpecName('ES5.1', '#sec-15.9.5.14', 'Date.prototype.getDate')}}</td>
<td>{{Spec2('ES5.1')}}</td>
<td> </td>
</tr>
<tr>
<td>{{SpecName('ES6', '#sec-date.prototype.getdate', 'Date.prototype.getDate')}}</td>
<td>{{Spec2('ES6')}}</td>
<td>
<p> </p>
</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 class="hidden">The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> and send us a pull request.</p>
<p>{{Compat("javascript.builtins.Date.getDate")}}</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.getUTCDate()")}}</li>
<li>{{jsxref("Date.prototype.getUTCDay()")}}</li>
<li>{{jsxref("Date.prototype.setDate()")}}</li>
</ul>
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