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<!DOCTYPE html>
<html>
<head>
<style> 
div {
  width: 100px;
  height: 100px;
  background: red;
  position: relative;
  animation: mymove 5s infinite;
}
​
@keyframes mymove {
  from {left: 0px;}
  to {left: 200px;}
}
</style>
</head>
<body>
​
<h1>Change animation-duration with JavaScript</h1>
​
<p>Click the "Try it" button to speed up the duration of the animation.</p>
<button onclick="myFunction()">Try it</button>
<div id="myDIV"></div>
​
<script>
function myFunction() {
  document.getElementById("myDIV").style.animationDuration = "1s";
}
</script>
​
<p><strong>Note:</strong> The animationDuration property is not supported in Edge.</p>
​
</body>
​
<!-- Mirrored from www.w3schools.com/cssref/tryit.asp?filename=trycss3_js_animation-duration by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:00:11 GMT -->
</html>
​
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