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jQuery keyup() 方法

❮ jQuery 事件方法

示例

当键盘键释放时,设置 <input> 字段的背景颜色

$("input").keyup(function(){
  $("input").css("background-color", "pink");
});
亲自试一试 »

定义和用法

与 keyup 事件相关的事件顺序

  1. keydown - 键按下
  2. keypress - 键被按下
  3. keyup - 键释放

当键盘键释放时,会发生 keyup 事件。

keyup() 方法触发 keyup 事件,或附加一个函数在 keyup 事件发生时运行。

提示: 使用 event.which 属性返回按下的键。


语法

为选定的元素触发 keyup 事件

$(选择器).keyup() 试一试

将函数附加到 keyup 事件

$(选择器).keyup(函数) 试一试

参数 描述
function 可选。指定当 keyup 事件被触发时要运行的函数。

亲自试一试 - 示例

确定按下了哪个键
如何使用 event.which 属性来确定按下了哪个键。


❮ jQuery 事件方法

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