<!DOCTYPE html>
<html lang="en"><head>
<meta charset="UTF-8">
<title>一股清流</title>
</head>
<body>
<script type="text/javascript">
var miss_1='"';
var miss_2='"';
if (miss_1==miss_2) {
alert("相等");
}else{
alert("不相等");
}
// 在这个程序中 不相等</script>
</body>
</html>