CSS :focus 选择器

2023-10-28 19:23| 来源: 网络整理| 查看: 265

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选择获得焦点的输入字段，并设置其样式：

input:focus { background-color:yellow; }

亲自试一试

浏览器支持

表格中的数字注明了完全支持该属性的首个浏览器版本。

选择器 Chrome IE Firefox Safari Opera :focus 4.0 8.0 2.0 3.1 9.6

注释：如果 :focus 用于 IE8 ，则必须声明。

定义和用法

:focus 选择器用于选取获得焦点的元素。

提示：接收键盘事件或其他用户输入的元素都允许 :focus 选择器。