<!DOCTYPE html>
<html>
<head>
<title>网址检测</title>
<script>
function checkUrl() {
var url = window.location.href;
if (url === 'http://www.3qpd.com') {
alert('Yes');
} else {
alert('No');
}
}
</script>
</head>
<body>
<form>
<a href="#" onclick="checkUrl()">点击检测</a>
</form>
</body>
</html>
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