<!DOCTYPE html> <meta charset="utf-8"> <title>CSS Animations Test: animation - display</title> <link rel="author" title="Intel" href="http://www.intel.com"> <link rel="reviewer" title="Zhiqiang Zhang" href="mailto:zhiqiang.zhang@intel.com"> <!-- 2015-05-07 --> <link rel="help" href="https://drafts.csswg.org/css-animations-1/#animation-name"> <link rel="help" href="https://drafts.csswg.org/css-animations-1/#animation-duration"> <link rel="help" href="https://drafts.csswg.org/css-animations-1/#animations"> <meta name="flags" content="animated"> <meta name="assert" content="Check that setting 'display' property to 'none' terminates running animation applied to the element, and updating 'display' property to a value other than 'none' will start the animation."> <style> div { animation-name: sample; animation-duration: 10s; background-color: blue; height: 100px; width: 100px; position: relative; } @keyframes sample { from { left: 150px; } to { left: 0px; } } </style> <body> <p> Test passes if there is a filled blue square with 'Filler Text', which moves from right to left twice. </p> <div>Filler Text</div> <script> var div = document.getElementsByTagName("div"); setTimeout(function() { div[0].style.display = "none"; }, 5000); setTimeout(function() { div[0].style.display = "block"; }, 8000); </script> </body>