<html>
<body>
<h3>Your Screen:</h3>
<div id="demo"></div>
<script>
var txt = "";
txt += "<p>Total width/height: " + screen.width + "*" + screen.height + "</p>";
txt += "<p>Available width/height: " + screen.availWidth + "*" + screen.availHeight + "</p>";
txt += "<p>Color depth: " + screen.colorDepth + "</p>";
txt += "<p>Color resolution: " + screen.pixelDepth + "</p>";
document.getElementById("demo").innerHTML = txt;
</script>
</body>
</html>