Tryit Editor v2.9

Edit This Code:
<!DOCTYPE html>
<html>
<head>
<style>
div {
    width: 500px;
    height: 300px;
    border: 1px solid black;
    text-align: center;
}
</style>
</head>
<body>

<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 pX = event.pageX;
    var cX = event.clientX;
    var pY = event.pageY;
    var cY = event.clientX;
    var coords1 = "page - X: " + pX + ", Y coords: " + pY;
    var coords2 = "client - X: " + cX + ", Y coords: " + cY;
    document.getElementById("demo").innerHTML = coords1 + "<br>" + coords2;
}
</script>

</body>
</html>