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<!DOCTYPE html> <html> <head> <script> function myFunction() { var myWindow = window.open("", "myWin"); myWindow.document.write("<p>This is 'myWin'"); myWindow.document.write("<br>ScreenX: " + myWindow.screenX); myWindow.document.write("<br>ScreenY: " + myWindow.screenY + "</p>"); } </script> </head> <body> <button onclick="myFunction()">Open "myWin"</button> </body> <!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_win_screenx by HTTrack Website Copier/3.x [XR&CO'2014], Fri, 23 Jan 2015 08:27:53 GMT --> </html>
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