diff options
Diffstat (limited to 'files/zh-cn/web/javascript/reference/global_objects/object/isextensible')
| -rw-r--r-- | files/zh-cn/web/javascript/reference/global_objects/object/isextensible/index.html | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/files/zh-cn/web/javascript/reference/global_objects/object/isextensible/index.html b/files/zh-cn/web/javascript/reference/global_objects/object/isextensible/index.html index 817dd1296a..1a515b96ff 100644 --- a/files/zh-cn/web/javascript/reference/global_objects/object/isextensible/index.html +++ b/files/zh-cn/web/javascript/reference/global_objects/object/isextensible/index.html @@ -5,15 +5,15 @@ translation_of: Web/JavaScript/Reference/Global_Objects/Object/isExtensible --- <div>{{JSRef("Global_Objects", "Object")}}</div> -<h2 id="Summary" name="Summary">概述</h2> +<h2 id="Summary">概述</h2> <p><code><strong>Object.isExtensible()</strong></code> 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）。</p> -<h2 id="Syntax" name="Syntax">语法</h2> +<h2 id="Syntax">语法</h2> <pre class="syntaxbox"><code>Object.isExtensible(<em>obj</em>)</code></pre> -<h3 id="Parameters" name="Parameters">参数</h3> +<h3 id="Parameters">参数</h3> <dl> <dt>obj</dt> @@ -24,11 +24,11 @@ translation_of: Web/JavaScript/Reference/Global_Objects/Object/isExtensible <p> 表示给定对象是否可扩展的一个<a href="https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Boolean" title="此页面仍未被本地化, 期待您的翻译!"><code>Boolean</code></a> 。</p> -<h2 id="Description" name="Description">描述</h2> +<h2 id="Description">描述</h2> <p>默认情况下，对象是可扩展的：即可以为他们添加新的属性。以及它们的 {{jsxref("Object.proto", "__proto__")}}{{deprecated_inline}} 属性可以被更改。{{jsxref("Object.preventExtensions")}}，{{jsxref("Object.seal")}} 或 {{jsxref("Object.freeze")}} 方法都可以标记一个对象为不可扩展（non-extensible）。</p> -<h2 id="Examples" name="Examples">例子</h2> +<h2 id="Examples">例子</h2> <pre class="brush: js">// 新对象默认是可扩展的. var empty = {}; @@ -133,7 +133,7 @@ Object.isExtensible(1); </table> </div> -<h2 id="See_also" name="See_also">相关链接</h2> +<h2 id="See_also">相关链接</h2> <ul> <li><strong>{{jsxref("Object.preventExtensions")}}</strong></li> |