App下載
實(shí)例代碼( Tip: 登錄后體驗(yàn)更佳 )
<!DOCTYPE html>
<html>
<head>
<style>
[lang|=en]
{
color:blue;
}
</style>
</head>
<body>
<h2>:</h2>
<p lang="en">!</p>
<p lang="en-us">!</p>
<p lang="en-gb">!</p>
<hr>
<h2>:</h2>
<p lang="us">!</p>
<p lang="no">!</p>
</body>
</html>
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