trycss_attselector_valuelist_space 在线代码实例

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<!DOCTYPE html>
<html>
<head>
<style>
    [title~=hello]
    {
    color:blue;
    } 
</style>
</head>
<body>
    <h2>适用于:</h2>
    <h1 title="hello world">你好世界</h1>
    <p title="student hello">你好 CSS 学员!</p>
    <hr>
    <h2>不适用于:</h2>
    <p title="student">嘿 CSS 学员!</p>
</body>
</html>
 
 
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运行结果
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