Javascript DOM CSS Style backgroundPosition Property set by pixel

Introduction

Change the position of the background-image in a <div> element to 200px horizontal and 40px vertical: 

document.getElementById("myDiv").style.backgroundPosition = "200px 40px";

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<!DOCTYPE html>
<html>
<head>
<style>
div {/*  w  w  w  . j a va 2 s. c  o  m*/
  background-image: url('background1.png');
  background-repeat: no-repeat;
  width: 400px;
  height: 400px;
  border: 1px solid #000000;
}
</style>
</head>
<body>

<button type="button" onclick="myFunction()">Position background image</button>
<br>
<div id="myDiv">
</div>

<script>
function myFunction() {
  document.getElementById("myDiv").style.backgroundPosition = "200px 40px";
}
</script>

</body>
</html>



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