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characters

返回值:jQuerychange([[data],fn])

概述

觸發(fā)每個(gè)匹配元素的change事件

這個(gè)函數(shù)會(huì)調(diào)用執(zhí)行綁定到change事件的所有函數(shù),包括瀏覽器的默認(rèn)行為??梢酝ㄟ^(guò)在某個(gè)綁定的函數(shù)中返回false來(lái)防止觸發(fā)瀏覽器的默認(rèn)行為。change事件會(huì)在元素失去焦點(diǎn)的時(shí)候觸發(fā),也會(huì)當(dāng)其值在獲得焦點(diǎn)后改變時(shí)觸發(fā)。

參數(shù)

fnFunctionV1.0

在每一個(gè)匹配元素的change事件中綁定的處理函數(shù)。

[data],fnString,FunctionV1.4.3

data:change([Data], fn) 可傳入data供函數(shù)fn處理。

fn:在每一個(gè)匹配元素的change事件中綁定的處理函數(shù)。

示例

描述:

觸發(fā)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(yàn)證

jQuery 代碼:
$("input[type='text']").change( function() {
  // 這里可以寫(xiě)些驗(yàn)證代碼
});
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