### 返回值:jQuerychange([[data],fn])
### 概述
觸發每個匹配元素的change事件
這個函數會調用執行綁定到change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。change事件會在元素失去焦點的時候觸發，也會當其值在獲得焦點后改變時觸發。
### 參數
#### **fn**Function*V1.0*
在每一個匹配元素的change事件中綁定的處理函數。
#### **[data],fn**String,Function*V1.4.3*
**data**:change([Data], fn) 可傳入data供函數fn處理。
**fn**:在每一個匹配元素的change事件中綁定的處理函數。
### 示例
#### 描述:
觸發被選元素的 change 事件。
##### jQuery 代碼:
~~~
$(selector).change();
~~~
#### 描述:
給所有的文本框增加輸入驗證
##### jQuery 代碼:
~~~
$("input[type='text']").change( function() {
// 這里可以寫些驗證代碼
});
~~~
- 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])
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- jQuery.noConflict([extreme])
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- 事件
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- hover([over,]out)
- toggle(fn, fn2, [fn3, fn4, ...])
- blur([[data],fn])
- change([[data],fn])
- click([[data],fn])
- dblclick([[data],fn])
- error([[data],fn])
- focus([[data],fn])
- focusout([data],fn)
- keydown([[data],fn])
- keypress([[data],fn])
- keyup([[data],fn])
- mousedown([[data],fn])
- mouseenter([[data],fn])
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- mousemove([[data],fn])
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- mouseover([[data],fn])
- mouseup([[data],fn])
- resize([[data],fn])
- scroll([[data],fn])
- select([[data],fn])
- submit([[data],fn])
- 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])
- fadeOut([speed],[easing],[fn])
- fadeTo([[speed],opacity,[easing],[fn]])
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- delay(duration,[queueName])
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- serialize()
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- 工具
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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
- callbacks.add(callbacks)
- callbacks.disable()
- callbacks.empty()
- callbacks.fire(arguments)
- callbacks.fired()
- callbacks.fireWith([context][,args])
- callbacks.has(callback)
- callbacks.lock()
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- callbacks.remove(callbacks)
- 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