### 返回值:jQueryeq(index|-index)
### 概述
獲取第N個元素
### 參數
#### **index**Integer*V1.1.2*
一個整數，指示元素基于0的位置,這個元素的位置是從0算起。
#### **-index**Integer*V1.4*
一個整數，指示元素的位置，從集合中的最后一個元素開始倒數。(1算起)
### 示例
#### 參數index描述:
獲取匹配的第二個元素
##### HTML 代碼:
~~~
<p> This is just a test.</p> <p> So is this</p>
~~~
##### jQuery 代碼:
~~~
$("p").eq(1)
~~~
##### 結果:
~~~
[ <p> So is this</p> ]
~~~
#### 參數-index描述:
獲取匹配的第二個元素
##### HTML 代碼:
~~~
<p> This is just a test.</p> <p> So is this</p>
~~~
##### jQuery 代碼:
~~~
$("p").eq(-2)
~~~
##### 結果:
~~~
[ <p> This is just a test.</p> ]
~~~
- 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])
- 選擇器
- #id
- element
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- selector1,selector2,selectorN
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- prev + next
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- :first
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- :not(selector)
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- :eq(index)
- :gt(index)
- :lt(index)
- :header
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- eq(index|-index)
- first()
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- 效果
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- Deferred
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- def.then(doneCal,failCal)
- def.progress([type],[target])
- def.pipe([donFil],[faiFil],[proFil])
- def.always(alwCal,[alwCal])
- def.notify(args)
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- def.state()
- Callbacks
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- 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