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HTML onkeypress 属性


定义和用法

当用户按下键盘上的某个键时,onkeypress 属性会触发。

提示:与 onkeypress 事件相关的事件顺序

  1. onkeydown
  2. onkeypress
  3. onkeyup

注意:并非所有浏览器都支持 onkeypress 事件对所有键(例如 ALT、CTRL、SHIFT、ESC)的触发。要仅检测用户是否按下了某个键,请改用 onkeydown,因为它适用于所有键。


适用范围

onkeypress 属性是 事件属性 的一部分,可用于任何 HTML 元素。

元素 事件
所有 HTML 元素 onkeypress

示例

输入示例

当用户按下某个键时执行 JavaScript

<input type="text" onkeypress="displayResult()">
亲身体验 »

浏览器支持

事件属性
onkeypress

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