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+---
+title: Date.prototype.setSeconds()
+slug: Web/JavaScript/Reference/Global_Objects/Date/setSeconds
+translation_of: Web/JavaScript/Reference/Global_Objects/Date/setSeconds
+---
+<div>{{JSRef("Global_Objects", "Date")}}</div>
+
+<p><code><strong>setSeconds()</strong></code> 方法根据本地时间设置一个日期对象的秒数。</p>
+
+<div>{{EmbedInteractiveExample("pages/js/date-setseconds.html")}}</div>
+
+
+
+<h2 id="Syntax" name="Syntax">语法</h2>
+
+<pre class="syntaxbox"><var>dateObj</var>.setSeconds(<em>secondsValue</em>[, <em>msValue</em>])</pre>
+
+<h3 id="JavaScript_1.3之前版本">JavaScript 1.3之前版本</h3>
+
+<pre class="syntaxbox"><var>dateObj</var>.setSeconds(<em>secondsValue</em>)</pre>
+
+<h3 id="Parameters" name="Parameters">参数</h3>
+
+<dl>
+ <dt><code>secondsValue</code></dt>
+ <dd>一个 0 到 59 的整数。</dd>
+ <dt><code>msValue</code></dt>
+ <dd>一个 0 到 999 的数字，表示微秒数。</dd>
+</dl>
+
+<h2 id="Description" name="Description">描述</h2>
+
+<p>如果没有指定 <code>msValue</code> 参数，就会使用 {{jsxref("Date.getMilliseconds", "getMilliseconds()")}} 方法的返回值。</p>
+
+<p>如果一个参数超出了合理范围， <code>setSeconds</code> 方法会相应地更新日期对象的时间信息。例如，为 <code>secondsValue</code> 指定 100，则日期对象的分钟数会相应地加 1，秒数将会使用 40。</p>
+
+<h2 id="Examples" name="Examples">例子</h2>
+
+<h3 id="Example:_Using_setSeconds" name="Example:_Using_setSeconds">例子：使用<code>setSeconds方法</code></h3>
+
+<pre class="brush:js">var theBigDay = new Date();
+theBigDay.setSeconds(30)
+</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-15.9.5.30', 'Date.prototype.setSeconds')}}</td>
+   <td>{{Spec2('ES5.1')}}</td>
+   <td> </td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ES6', '#sec-date.prototype.setseconds', 'Date.prototype.setSeconds')}}</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.setSeconds")}}</p>
+
+<h2 id="See_Also" name="See_Also">相关链接</h2>
+
+<ul>
+ <li>{{jsxref("Date.prototype.getSeconds()")}}</li>
+ <li>{{jsxref("Date.prototype.setUTCSeconds()")}}</li>
+</ul>