Tryit Editor v1.8

Source Code:
<!DOCTYPE html> <html> <head> <script> function myFunction(e) { x=e.clientX; y=e.clientY; coor="Coordinates: (" + x + "," + y + ")"; document.getElementById("demo").innerHTML=coor } function clearCoor() { document.getElementById("demo").innerHTML=""; } </script> </head> <body style="margin:0px;"> <div id="coordiv" style="width:199px;height:99px;border:1px solid" onmousemove="myFunction(event)" onmouseout="clearCoor()"></div> <p>Mouse over the rectangle above, and get the coordinates of your mouse pointer.</p> <p id="demo"></p> </body> </html>
Result:
W3Schools.com - Try it yourself