<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/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>
