
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>演示JS中逻辑运算</title>
</head>
<body>
<script type="text/javascript">
var x = 9
var y = 12
alert( x < y & y);
</script>
</body>
</html>



