Event y and x Property
<html> <body> <script language="JavaScript"> function function1() { myX.innerHTML = window.event.x; myY.innerHTML = window.event.y; } </script> <p> <b>X Coordinate:</b> <span id="myX">0</span> </p> <p> <b>Y Coordinate:</b> <span id="myY">0</span> </p> <div id="myDiv" onmousemove="function1();" style="border:solid; width:500; height:200;"> www.java2s.com </div> </body> </html>