### 返回值:StringjQuery.parseJSON(json)
### 概述
接受一個JSON字符串，返回解析后的對象。
傳入一個畸形的JSON字符串會拋出一個異常。比如下面的都是畸形的JSON字符串：
- {test: 1} （ test 沒有包圍雙引號）
- {'test': 1} （使用了單引號而不是雙引號）
另外，如果你什么都不傳入，或者一個空字符串、null或undefined，parseJSON都會返回 null 。
### 參數
#### **json**String*V1.4.1*
要解析的JSON字符串
### 示例
#### 描述:
解析一個JSON字符串
##### jQuery 代碼:
~~~
var obj = jQuery.parseJSON('{"name":"John"}');
alert( obj.name === "John" );
~~~
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- 關于
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