Get your own website Result Size: 625 x 565
x
 
<!DOCTYPE html>
<html>
<head>
<style> 
#myDIV {
  width: 100px;
  height: 100px;
  background: red;
  position: relative;
  animation: mymove 1s infinite;
}
@keyframes mymove {
  from {left: 0px;}
  to {left: 200px;}
}
@keyframes mynewmove {
  from {top: 0px;}
  to {top: 200px;}
}
</style>
</head>
<body>
<h1>Change animation with JavaScript</h1>
<p>Click the "Try it" button to change the value of the animation property.</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction() {
  document.getElementById("myDIV").style.animation = "mynewmove 4s 2";
}
</script>
<div id="myDIV"></div>
</body>
</html>