<html>
<head>
<style>
#myDIV {
width: 100px;
height: 100px;
background: red;
transition: width 2s; /* For Safari 3.1 to 6.0 */
transition: width 2s;
}
#myDIV:hover {
width: 400px;
}
</style>
</head>
<body>
<p>Hover over the div element below, and wait for the transition effect to end.</p>
<div id="myDIV"></div>
<p><b>Note:</b> This example does not work in Internet Explorer 9 and earlier versions.</p>
<script>
// Code for Safari 3.1 to 6.0
document.getElementById("myDIV").addEventListener("webkitTransitionEnd", myFunction);
// Standard syntax
document.getElementById("myDIV").addEventListener("transitionend", myFunction);
function myFunction() {
this.innerHTML = "transitionend event occured - The transition has completed";
this.style.backgroundColor = "pink";
}
</script>
</body>
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</html>