为什么有错,没有结果显示出来
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>逻辑或</title>
<script type="text/javascript">
var numa,numb,jq1;
numa=50;
numb=55;
jq1=numa>numb || numa==numb ;
document.write("jq1的值是:"+jq1+"<br>")
</script>
</head>
<body>
</body>
</html>