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HTML class 属性


定义和用法

The class 属性为元素指定一个或多个类名。

The class 属性主要用于指向样式表中的一个类。但是,它也可以被 JavaScript(通过 HTML DOM)用来对具有指定类的 HTML 元素进行更改。


适用于

The class 属性是 全局属性 的一部分,可以在任何 HTML 元素上使用。

元素 属性
所有 HTML 元素 class

示例

在 HTML 文档中使用 class 属性

<html>
<head>
<style>
h1.intro {
    color: blue;
}

p.important {
    color: green;
}
</style>
</head>
<body>

<h1 class="intro">标题 1</h1>
<p>一段话。</p>
<p class="important">请注意,这是一段重要的段落。:)</p>

</body>
</html>
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浏览器支持

属性
class

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