1.html文件
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <link rel="stylesheet" type="text/css" href="sheet1.css" title="Default" /> <link rel="alternate stylesheet" type="text/css" href="one.css" title="one" /> <link rel="alternate stylesheet" type="text/css" href="two.css" title="two" /> </head> <body> <div class="div">alternative sheetstyle</div> </body> </html>2.两个css文件
one.css
.div{ color:red; }two.css
.div{ color:blue; }3.如何查看
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