<!DOCTYPE html>
<html>
<head>
<title>js变量及运算符的使用</title>
</head>
<body>
<script type="text/javascript">
var y=6,z=3;
y *= z;
document.write(y+'<hr>');
document.write (y>100 && z<100);
document.write('<hr>');
document.write (y>100 || z<100)+'<hr>';
document.write('<hr>');
document.write(y!=10);
</script>
</body>
</html>