alert("Your screen resolution is: " + screen.width + "x" + screen.height)
var clientWidth = document.documentElement.clientWidth; $("h2").text(clientWidth);
var win = window, doc = document, docElem = doc.documentElement, body = doc.getElementsByTagName('body')[0], x = win.innerWidth || docElem.clientWidth || body.clientWidth, y = win.innerHeight|| docElem.clientHeight|| body.clientHeight; alert(x + ' × ' + y);