📄 20.3.htm
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>JS Check</title>
<!--如果浏览器不支持JavaScript，浏览器会重定向到noscript.html文档-->
<noscript>
<meta http-equiv="Refresh" CONTENT="0; URL=noscript.html">
</noscript>
<meta http-equiv="content-type" content="text/html; charset=gb2312">
</head>
<body>
<script type="text/javascript">
<!-- //如果浏览器支持JavaScript，会显示“This page has JavaScript!”
document.write("This page has JavaScript!");
// -->
</script>
</body>
</html>
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