Javascript DOM MouseEvent pageY Property get

Introduction

Output the coordinates of the mouse pointer while the mouse pointer moves over an element:

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<!DOCTYPE html>
<html>
<head>
<style>
div {//  w  ww .j a v  a 2s.c o  m
  width: 200px;
  height: 100px;
  border: 1px solid black;
}
</style>
</head>
<body>

<div onmousemove="showCoords(event)" onmouseout="clearCoor()"></div>

<p>Mouse over the rectangle above to get the horizontal 
and vertical coordinates of your mouse pointer.</p>
<p id="demo"></p>

<script>
function showCoords(event) {
  var x = event.pageX;
  var y = event.pageY;
  var coor = "X coords: " + x + ", Y coords: " + y;
  document.getElementById("demo").innerHTML = coor;
}

function clearCoor() {
  document.getElementById("demo").innerHTML = "";
}
</script>

</body>
</html>



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