get mouse position javascript
<p>Click in the div element below to get the x (horizontal) and y (vertical) coordinates of the mouse pointer, when it is clicked.</p>
<div onclick="showCoords(event)"><p id="demo"></p></div>
<p><strong>Tip:</strong> Try to click different places in the div.</p>
<script>
function showCoords(event) {
var cX = event.clientX;
var sX = event.screenX;
var cY = event.clientY;
var sY = event.screenY;
var coords1 = "client - X: " + cX + ", Y coords: " + cY;
var coords2 = "screen - X: " + sX + ", Y coords: " + sY;
document.getElementById("demo").innerHTML = coords1 + "<br>" + coords2;
}
</script>