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HTML onblur 属性


定义和用法

当元素失去焦点时,onblur 属性会触发。

Onblur 最常用于表单验证代码(例如,当用户离开表单字段时)。

提示:onblur 属性与 onfocus 属性相反。


适用范围

onblur 属性是 事件属性 的一部分,可以用于任何 HTML 元素。

元素 事件
所有 HTML 元素 onblur

示例

当用户离开输入字段时验证输入字段

<input type="text" name="fname" id="fname" onblur="myFunction()">
亲自尝试 »

浏览器支持

事件属性
onblur

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