### 返回值:BooleanjQuery.contains(container,contained)
### 概述
一個DOM節點是否包含另一個DOM節點。
### 參數
#### **container,contained**Object,Object*V1.4*
**container**:DOM元素作為容器，可以包含其他元素
**contained**:DOM節點，可能被其他元素所包含
### 示例
#### 描述:
檢測一個元素是否包含另一個元素
##### jQuery 代碼:
~~~
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)
- size()
- length
- selector
- context
- get([index])
- index([selector|element])
- data([key],[value])
- removeData([name|list])
- jQuery.data(element,[key],[value])
- queue(element,[queueName])
- dequeue([queueName])
- clearQueue([queueName])
- jQuery.noConflict([extreme])
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- :parent
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- [attribute]
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- [attribute!=value]
- [attribute^=value]
- [attribute$=value]
- [attribute*=value]
- [selector1][selector2][selectorN]
- :nth-child
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- :only-child
- :input
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- 事件
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- blur([[data],fn])
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- error([[data],fn])
- focus([[data],fn])
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- select([[data],fn])
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- unload([[data],fn])
- 效果
- show([speed,[easing],[fn]])
- hide([speed,[easing],[fn]])
- slideDown([speed],[easing],[fn])
- slideUp([speed,[easing],[fn]])
- slideToggle([speed],[easing],[fn])
- fadeIn([speed],[easing],[fn])
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- fadeTo([[speed],opacity,[easing],[fn]])
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- animate(param,[spe],[e],[fn])
- stop([cle],[jum])
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- Ajax
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- 工具
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- jQuery.when(deferreds)
- jQuery.merge(first,second)
- jQuery.unique(array)
- jQuery.parseJSON(json)
- jQuery.noop
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- jQuery.contains(container, contained)
- jQuery.isArray(obj)
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- jQuery.isEmptyObject(obj)
- jQuery.isPlainObject(obj)
- jQuery.isWindow(obj)
- jQuery.isNumeric(value)
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- Deferred
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- def.resolveWith(context,args)
- def.then(doneCal,failCal)
- def.progress([type],[target])
- def.pipe([donFil],[faiFil],[proFil])
- def.always(alwCal,[alwCal])
- def.notify(args)
- def.notifyWith(context,[args])
- def.state()
- Callbacks
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- callbacks.disable()
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- callbacks.fire(arguments)
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- callbacks.has(callback)
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- jQuery.callbacks(flags)
- 關于
- 關于jQuery API 文檔
- 提交bug及獲取更新
- 其它
- HTML5速查表
- 正則表達式速查表