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HTML oninput 属性


定义和用法

当元素获取用户输入时,oninput 属性会触发。

当 <input> 或 <textarea> 元素的值发生改变时,oninput 属性会触发。

提示:此事件类似于 onchange 事件。区别在于 oninput 事件在元素值更改后立即发生,而 onchange 事件在元素失去焦点时发生。另一个区别是 onchange 事件也适用于 <select> 元素。


适用范围

oninput 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 oninput

示例

输入示例

当用户在 <input> 字段中输入内容时执行 JavaScript

<input type="text" oninput="myFunction()">
亲自试一试 »

浏览器支持

事件属性
oninput

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