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watak

返回值:jQuerychange([[data],fn])

概述

触发每个匹配元素的change事件

这个函数会调用执行绑定到change事件的所有函数,包括浏览器的默认行为。可以通过在某个绑定的函数中返回false来防止触发浏览器的默认行为。change事件会在元素失去焦点的时候触发,也会当其值在获得焦点后改变时触发。

参数

fnFunctionV1.0

在每一个匹配元素的change事件中绑定的处理函数。

[data],fnString,FunctionV1.4.3

data:change([Data], fn) 可传入data供函数fn处理。

fn:在每一个匹配元素的change事件中绑定的处理函数。

示例

描述:

触发被选元素的 change 事件。

jQuery 代码:
$(selector).change();

描述:

给所有的文本框增加输入验证

jQuery 代码:
$("input[type='text']").change( function() {
  // 这里可以写些验证代码
});
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