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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> <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-4638549725433695" crossorigin="anonymous"></script><script src="//www.p2hp.com/tj.js"></script></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> </body> </html>
