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docs/javascript/Reference/Global_Objects/Reflect/isExtensible.html
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@@ -2,8 +2,8 @@
<div></div>
<p><code><font face="Open Sans, Arial, sans-serif">静态方法 </font><strong>Reflect</strong></code><strong><code>.isExtensible()</code></strong> 判断一个对象是否可扩展 （即是否能够添加新的属性）。与它 <a href="Reference/Global_Objects/Object/isExtensible" title="Object.isExtensible() 方法判断一个对象是否是可扩展的（是否可以在它上面添加新的属性）。"><code>Object.isExtensible()</code></a> 方法相似，但有一些不同，详情可见 <a href="#Difference_to_Object.isExtensible()">differences</a>。</p>
<h2 id="语法">语法</h2>
<pre class="syntaxbox">Reflect.isExtensible(target)
</pre>
<pre><code class="language-javascript">Reflect.isExtensible(target)
</code></pre>
<h3 id="参数">参数</h3>
<dl>
<dt><code>target</code></dt>
@@ -18,7 +18,7 @@
<h2 id="示例">示例</h2>
<h3 id="使用_Reflect.isExtensible()">使用 <code>Reflect.isExtensible()</code></h3>
<p>详情可见 <a href="Reference/Global_Objects/Object/isExtensible" title="Object.isExtensible() 方法判断一个对象是否是可扩展的（是否可以在它上面添加新的属性）。"><code>Object.isExtensible()</code></a>。</p>
<pre class="brush: js">// New objects are extensible.
<pre><code class="language-javascript">// New objects are extensible.
var empty = {};
Reflect.isExtensible(empty); // === true
@@ -33,15 +33,15 @@ Reflect.isExtensible(sealed); // === false
// Frozen objects are also by definition non-extensible.
var frozen = Object.freeze({});
Reflect.isExtensible(frozen); // === false
</pre>
</code></pre>
<h3 id="与_Object.isExtensible()_的不同点">与 <code>Object.isExtensible() 的不同点</code></h3>
<p>如果该方法的第一个参数不是一个对象（原始值），那么将造成一个 <a href="Reference/Global_Objects/TypeError" title="TypeError（类型错误） 对象用来表示值的类型非预期类型时发生的错误。"><code>TypeError</code></a> 异常。对于 <a href="Reference/Global_Objects/Object/isExtensible" title="Object.isExtensible() 方法判断一个对象是否是可扩展的（是否可以在它上面添加新的属性）。"><code>Object.isExtensible()</code></a>，非对象的第一个参数会被强制转换为一个对象。</p>
<pre class="brush: js">Reflect.isExtensible(1);
<pre><code class="language-javascript">Reflect.isExtensible(1);
// TypeError: 1 is not an object
Object.isExtensible(1);
// false
</pre>
</code></pre>
<h2 id="规范">规范</h2>
<table class="standard-table">
<tbody>