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authorPeter Bengtsson <mail@peterbe.com>2021-07-16 16:27:00 -0400
committerGitHub <noreply@github.com>2021-07-17 04:27:00 +0800
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delete conflicting/orphaned docs (zh-CN) (#1412)
* delete conflicting docs (zh-CN) * and redirects * do orphaned as well * fix * remove more orphans * revert orphaned docs that can identify origin * move orphaned docs to current loc * adjust slug path * fix redirect change from rebase Co-authored-by: Irvin <irvinfly@gmail.com>
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+---
+title: Map.prototype.delete()
+slug: Web/JavaScript/Reference/Global_Objects/Map/delete
+translation_of: Web/JavaScript/Reference/Global_Objects/Map/delete
+tags:
+ - ECMAScript 2015
+ - JavaScript
+ - Map
+ - Method
+ - Prototype
+ - Reference
+browser-compat: javascript.builtins.Map.delete
+---
+<div>{{JSRef}}</div>
+
+<p><strong> </strong><code><strong><strong>delete()</strong></strong></code><strong> </strong>方法用于移除 <code>Map</code> 对象中指定的元素。</p>
+
+<div>{{EmbedInteractiveExample("pages/js/map-prototype-delete.html")}}</div>
+
+
+
+<h2 id="语法">语法</h2>
+
+<pre class="brush: js">myMap.delete(key);</pre>
+
+<h3 id="参数">参数</h3>
+
+<dl>
+ <dt>key</dt>
+ <dd>必须。从 <code>Map</code> 对象中移除的元素的键。</dd>
+</dl>
+
+<h3 id="返回值">返回值</h3>
+
+<dl>
+ <dt>Boolean</dt>
+ <dd>如果 <code>Map</code> 对象中存在该元素,则移除它并返回<em> <code>true</code></em>;否则如果该元素不存在则返回 <code><em>false</em></code>。</dd>
+</dl>
+
+<h2 id="示例">示例</h2>
+
+<h3 id="使用_delete_方法">使用 <code>delete</code> 方法</h3>
+
+<pre class="brush: js">var myMap = new Map();
+myMap.set("bar", "foo");
+
+myMap.delete("bar"); // 返回 true。成功地移除元素
+myMap.has("bar"); // 返回 false。"bar" 元素将不再存在于 Map 实例中
+</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>{{SpecName('ES6', '#sec-map.prototype.delete', 'Map.prototype.delete')}}</td>
+ <td>{{Spec2('ES6')}}</td>
+ <td>Initial definition.</td>
+ </tr>
+ <tr>
+ <td>{{SpecName('ESDraft', '#sec-map.prototype.delete', 'Map.prototype.delete')}}</td>
+ <td>{{Spec2('ESDraft')}}</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.Map.delete")}}</p>
+
+<h2 id="相关链接">相关链接</h2>
+
+<ul>
+ <li>{{jsxref("Map")}}</li>
+</ul>