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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
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+---
+title: Date.prototype.setUTCDate()
+slug: Web/JavaScript/Reference/Global_Objects/Date/setUTCDate
+translation_of: Web/JavaScript/Reference/Global_Objects/Date/setUTCDate
+---
+<div>{{JSRef("Global_Objects", "Date")}}</div>
+
+<p><strong><code>setUTCDate()</code></strong> 方法就是根据全球时间设置特定date对象的日期。</p>
+
+<div>{{EmbedInteractiveExample("pages/js/date-setutcdate.html")}}</div>
+
+
+
+<h2 id="Syntax" name="Syntax">语法</h2>
+
+<pre class="syntaxbox"><code><var>dateObj</var>.setUTCDate(<var>dayValue</var>)</code></pre>
+
+<h3 id="Parameters" name="Parameters">参数</h3>
+
+<dl>
+ <dt><code>dayValue</code></dt>
+ <dd>一个1-31的整形数字,用来指定日期。</dd>
+</dl>
+
+<h2 id="Description" name="Description">描述</h2>
+
+<p>如果你指定的参数超出了范围,setUTCDate()会尝试更新对应的{{jsxref("Global_Objects/Date", "Date")}} 中的日期信息。例如,如果你使用了40来作为参数,但是{{jsxref("Global_Objects/Date", "Date")}} 中存储的月份为6月,那么日期将被改写为10且月份被增到7月。</p>
+
+<h2 id="Examples" name="Examples">示例</h2>
+
+<h3 id="Example:_Using_setUTCDate" name="Example:_Using_setUTCDate">使用Using <code>setUTCDate()</code></h3>
+
+<pre class="brush: js">var theBigDay = new Date();
+theBigDay.setUTCDate(20);
+</pre>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Specification</th>
+ <th scope="col">Status</th>
+ <th scope="col">Comment</th>
+ </tr>
+ <tr>
+ <td>ECMAScript 1st Edition.</td>
+ <td>Standard</td>
+ <td>Initial definition. Implemented in JavaScript 1.3.</td>
+ </tr>
+ <tr>
+ <td>{{SpecName('ES5.1', '#sec-15.9.5.37', 'Date.prototype.setUTCDate')}}</td>
+ <td>{{Spec2('ES5.1')}}</td>
+ <td> </td>
+ </tr>
+ <tr>
+ <td>{{SpecName('ES6', '#sec-date.prototype.setutcdate', 'Date.prototype.setUTCDate')}}</td>
+ <td>{{Spec2('ES6')}}</td>
+ <td> </td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容">浏览器兼容</h2>
+
+<div>
+<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.setUTCDate")}}</p>
+</div>
+
+<h2 id="See_also" name="See_also">相关内容</h2>
+
+<ul>
+ <li>{{jsxref("Date.prototype.getUTCDate()")}}</li>
+ <li>{{jsxref("Date.prototype.setDate()")}}</li>
+</ul>