<!DOCTYPE html> <meta charset="utf-8"> <title>CSS Transitions Test: transition-property - word-spacing</title> <link rel="author" title="Intel" href="http://www.intel.com"> <link rel="author" title="Shiyou Tan" href="mailto:shiyoux.tan@intel.com"> <link rel="help" href="https://drafts.csswg.org/web-animations-1/#animation-type"> <link rel="help" href="https://drafts.csswg.org/css-text-3/#word-spacing-property"> <meta name="flags" content="ahem"> <meta name="assert" content="Test checks that the 'word-spacing' property is animatable."> <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> <style> #test { font-family: ahem; transition-duration: 2s; transition-property: word-spacing; transition-timing-function: linear; } </style> <body> <p>Click any black rectangle below. Test passes if the second rectangle moves gradually not immediately from left to right until it stops and the first one does not move.</p> <div id="test">text text</div> <script> (function() { var test = document.querySelector("#test"); test.addEventListener("click", function(evt) { test.setAttribute("style", "word-spacing: 40px;"); }, false); })(); </script> </body>