Tryit Editor v2.9

Edit This Code:
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.2/jquery.min.js"></script>
<script>
$(document).ready(function(){
    $("button").click(function(){
        var txt = "";
        txt += "Document width/height: " + $(document).width();
        txt += "x" + $(document).height() + "\n";
        txt += "Window width/height: " + $(window).width();
        txt += "x" + $(window).height();
        alert(txt);
    });
});
</script>
</head>
<body>

<button>Display dimensions of document and window</button>

</body>
</html>