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<!DOCTYPE html> <html> <body> <p>Click the button to display this window's height and width (including toolbars and scrollbars).</p> <button onclick="myFunction()">Try it</button> <p><strong>Note:</strong> The outerWidth and outerHeight properties are not supported in IE8 and earlier.</p> <p id="demo"></p> <script> function myFunction() { var w = window.outerWidth; var h = window.outerHeight; document.getElementById("demo").innerHTML = "Width: " + w + "<br>Height: " + h; } </script> </body> </html>