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---
title: Date.prototype.setMilliseconds()
slug: Web/JavaScript/Reference/Global_Objects/Date/setMilliseconds
translation_of: Web/JavaScript/Reference/Global_Objects/Date/setMilliseconds
---
<div>{{JSRef("Global_Objects", "Date")}}</div>
<p><code><strong>setMilliseconds()</strong></code> 方法会根据本地时间设置一个日期对象的豪秒数。</p>
<div>{{EmbedInteractiveExample("pages/js/date-setmilliseconds.html")}}</div>
<h2 id="Syntax" name="Syntax">语法</h2>
<pre class="syntaxbox"><var>dateObj</var>.setMilliseconds(<em>millisecondsValue</em>)</pre>
<h3 id="Parameters" name="Parameters">参数</h3>
<dl>
<dt><code>millisecondsValue</code></dt>
<dd>一个 0 到 999 的数字，表示豪秒数。</dd>
</dl>
<h2 id="Description" name="Description">描述</h2>
<p>如果指定的数字超出了合理范围，则日期对象的时间信息会被相应地更新。例如，如果指定了 1005，则秒数加 1，豪秒数为 5。</p>
<h2 id="Examples" name="Examples">例子</h2>
<h3 id="Example:_Using_setMilliseconds" name="Example:_Using_setMilliseconds">例子：使用<code>setMilliseconds</code></h3>
<pre class="brush:js">var theBigDay = new Date();
theBigDay.setMilliseconds(100);
</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 1.3</td>
<td>Standard</td>
<td>Initial definition.</td>
</tr>
<tr>
<td>{{SpecName('ES5.1', '#sec-15.9.5.28', 'Date.prototype.setMilliseconds')}}</td>
<td>{{Spec2('ES5.1')}}</td>
<td> </td>
</tr>
<tr>
<td>{{SpecName('ES6', '#sec-date.prototype.setmilliseconds', 'Date.prototype.setMilliseconds')}}</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 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.setMilliseconds")}}</p>
<h2 id="See_Also" name="See_Also">相关链接</h2>
<ul>
<li>{{jsxref("Date.prototype.getMilliseconds()")}}</li>
<li>{{jsxref("Date.prototype.setUTCMilliseconds()")}}</li>
</ul>
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