<html> <body> <script language="JavaScript"> function function1() { var m = "" m = "The left coordinate is: " + window.screenLeft + "n"; m += "The top coordinate is: " + window.screenTop + "n"; alert(m); } </script> <body bottommargin="150"> <input type="button" value="Extract the coordinates" onclick="function1();"> </body> </html>
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