Mega Code Archive
Use if statement to check the value range
<![CDATA[
<html>
<head>
<title></title>
</head>
<body>
<script type="text/javascript">
var temp = prompt("number value:");
if (temp > 100) {
document.write("100");
} else if (temp < 20) {
document.write("20");
}
</script>
</body>
</html>
]]>