transition-duration-shorthand.html (1504B)
1 <!doctype html> 2 <link rel="help" href="https://drafts.csswg.org/css-transitions/#transition-duration-property"> 3 <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1650189"> 4 <link rel="author" href="http://mellthas.de" title="Till Berger"> 5 <link rel="author" href="https://mozilla.org" title="Mozilla"> 6 <link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez"> 7 <script src="/resources/testharness.js" type="text/javascript"></script> 8 <script src="/resources/testharnessreport.js" type="text/javascript"></script> 9 <title>transition-duration when looking at shorthand properties should be correct</title> 10 <style> 11 div { 12 width: 100px; 13 height: 100px; 14 background-color: green; 15 transition: all 100s, height 0s; 16 } 17 div.trigger { 18 width: 200px; 19 height: 200px; 20 } 21 </style> 22 <div></div> 23 <script> 24 promise_test(async function (t) { 25 let div = document.querySelector("div"); 26 let cs = getComputedStyle(div); 27 assert_equals(cs.width, "100px", "Width should start off correct"); 28 assert_equals(cs.height, "100px", "Height should start off correct"); 29 30 div.classList.add("trigger"); 31 32 await new Promise(resolve => { 33 requestAnimationFrame(() => requestAnimationFrame(resolve)); 34 }); 35 36 assert_not_equals(cs.width, "200px", "Width should not have advanced to the end of the transition right away"); 37 assert_equals(cs.height, "200px", "Height should have advanced to the end of the transition right away"); 38 }); 39 </script>