To find the coordinates of the cursor in JavaScript, use event.screenX and event.screenY.
Example
You can try to run the following code to get cursor coordinates relative to the screen in JavaScript.
<!DOCTYPE html> <html> <head> <script> function coordinatesFunc(event) { document.write("Coordinate(X) = " + event.screenX + "<br>Coordinate(Y) = " + event.screenY); } </script> </head> <body> <div onmousedown = "coordinatesFunc(event)">Click me to get coordinates of cursor relative to screen.</p> </body> </html>