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<!DOCTYPE html>
<html>
<style>
div {
  width: 200px;
  height: 100px;
  border: 1px solid black;
}
</style>
<body>
<h1>HTML DOM Events</h1>
<h2>The onmousemove Event</h2>
<div onmousemove="myFunction(event)" onmouseout="clearCoor()"></div>
<p>Mouse over the rectangle above, and get the coordinates of your mouse pointer.</p>
<p>When the mouse is moved over the div, the p element will display the horizontal and vertical coordinates of your mouse pointer, whose values are returned from the clientX and clientY properties on the 
MouseEvent object.</p>
<p id="demo"></p>
<script>
function myFunction(e) {
  let x = e.clientX;
  let y = e.clientY;
  let coor = "Coordinates: (" + x + "," + y + ")";
  document.getElementById("demo").innerHTML = coor;
}
function clearCoor() {
  document.getElementById("demo").innerHTML = "";
}
</script>
</body>
</html>