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jQuery :root 选择器

❮ jQuery 选择器

示例

将 HTML 文档的背景颜色设置为黄色

$(":root").css("background-color", "yellow");
亲自试一试 »

定义和用法

:root 选择器选择文档的根元素。

在 HTML 中,根元素始终是 <html> 元素。


语法

$(":root")

❮ jQuery 选择器

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