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+---
+title: Reflect.deleteProperty()
+slug: Web/JavaScript/Reference/Global_Objects/Reflect/deleteProperty
+translation_of: Web/JavaScript/Reference/Global_Objects/Reflect/deleteProperty
+---
+<div>{{JSRef}}</div>
+
+<p>静态方法 <code><strong>Reflect</strong></code><strong><code>.deleteProperty()</code></strong> 允许用于删除属性。它很像 <a href="/en-US/docs/Web/JavaScript/Reference/Operators/delete"><code>delete</code> operator</a> ，但它是一个函数。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox">Reflect.deleteProperty(target, propertyKey)
+</pre>
+
+<h3 id="参数">参数</h3>
+
+<dl>
+ <dt><code>target</code></dt>
+ <dd>删除属性的目标对象。</dd>
+ <dt><code>propertyKey</code></dt>
+ <dd>需要删除的属性的名称。</dd>
+</dl>
+
+<h3 id="返回值">返回值</h3>
+
+<p>{{jsxref("Boolean")}} 值表明该属性是否被成功删除。</p>
+
+<h3 id="异常">异常</h3>
+
+<p>抛出一个 {{jsxref("TypeError")}}，如果<code>target</code>不是 {{jsxref("Object")}}。</p>
+
+<h2 id="描述">描述</h2>
+
+<p><code>Reflect.deleteProperty</code> 允许你删除一个对象上的属性。返回一个 {{jsxref("Boolean")}} 值表示该属性是否被成功删除。它几乎与非严格的 <a href="/zh-CN/docs/Web/JavaScript/Reference/Operators/delete"><code>delete</code> operator</a> 相同。</p>
+
+<h2 id="示例">示例</h2>
+
+<h3 id="使用_Reflect.deleteProperty()">使用 <code>Reflect.deleteProperty()</code></h3>
+
+<pre class="brush: js">var obj = { x: 1, y: 2 };
+Reflect.deleteProperty(obj, "x"); // true
+obj; // { y: 2 }
+
+var arr = [1, 2, 3, 4, 5];
+Reflect.deleteProperty(arr, "3"); // true
+arr; // [1, 2, 3, , 5]
+
+// 如果属性不存在，返回 true
+Reflect.deleteProperty({}, "foo"); // true
+
+// 如果属性不可配置，返回 false
+Reflect.deleteProperty(Object.freeze({foo: 1}), "foo"); // false
+</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-reflect.deleteproperty', 'Reflect.deleteProperty')}}</td>
+   <td>{{Spec2('ES6')}}</td>
+   <td>Initial definition.</td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ESDraft', '#sec-reflect.deleteproperty', 'Reflect.deleteProperty')}}</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>{{CompatibilityTable}}</p>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Chrome</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>49</td>
+   <td>{{CompatGeckoDesktop(42)}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>10</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Android</th>
+   <th>Chrome for Android</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>IE Mobile</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatNo}}</td>
+   <td>49</td>
+   <td>{{CompatGeckoMobile(42)}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>10</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="相关链接">相关链接</h2>
+
+<ul>
+ <li>{{jsxref("Reflect")}}</li>
+ <li><a href="/en-US/docs/Web/JavaScript/Reference/Operators/delete"><code>delete</code> operator</a></li>
+</ul>