### 返回值:BooleanjQuery.contains(container,contained)
### 概述
一个DOM节点是否包含另一个DOM节点。
### 参数
#### **container,contained**Object,Object*V1.4*
**container**:DOM元素作为容器，可以包含其他元素
**contained**:DOM节点，可能被其他元素所包含
### 示例
#### 描述:
检测一个元素是否包含另一个元素
##### jQuery 代码:
~~~
jQuery.contains(document.documentElement, document.body); // true
jQuery.contains(document.body, document.documentElement); // false
~~~
- 速查表
- 核心
- jQuery(selector,[context])
- jQuery(html,[ownerDocument])
- jQuery(callback)
- jQuery.holdReady(hold)
- each(callback)
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- selector
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- 效果
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- 工具
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- def.resolve(args)
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- def.progress([type],[target])
- def.pipe([donFil],[faiFil],[proFil])
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- def.notify(args)
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- def.state()
- Callbacks
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