A demonstration of innerWidth, innerHeight, outerWidth and outerHeight in one example:
<!DOCTYPE html> <html> <body> <div id="demo"></div> <script> var txt = ""; txt += "<p>innerWidth: " + window.innerWidth + "</p>"; txt += "<p>innerHeight: " + window.innerHeight + "</p>"; txt += "<p>outerWidth: " + window.outerWidth + "</p>"; txt += "<p>outerHeight: " + window.outerHeight + "</p>"; document.getElementById("demo").innerHTML = txt; </script>/*from w ww .j av a 2 s . com*/ </body> </html>