### 返回值:jQuerykeyup([[data],fn])
### 概述
觸發每一個匹配元素的keyup事件
這個函數會調用執行綁定到keyup事件的所有函數，包括瀏覽器的默認行為。可以通過在某個綁定的函數中返回false來防止觸發瀏覽器的默認行為。keyup事件會在按鍵釋放時觸發。
### 參數
#### **fn**Function*V1.0*
在每一個匹配元素的keyup事件中綁定的處理函數。
#### **[data],fn**String,Function*V1.4.3*
**data**:keyup([Data], fn) 可傳入data供函數fn處理。
**fn**:在每一個匹配元素的keyup事件中綁定的處理函數。
### 示例
#### 描述:
當按下按鍵時，改變文本域的顏色：
##### jQuery 代碼:
~~~
$("input").keyup(function(){
$("input").css("background-color","#D6D6FF");
});
~~~
- 速查表
- 核心
- jQuery(selector,[context])
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- 效果
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- 關于
- 關于jQuery API 文檔
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