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Side by Side Diff: tools/perf/page_sets/perf_week/css-transitions-simultaneous-by-inserting-new-elements.html

Issue 402433004: Test adding perf week tests as smoothness benchmark (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: g cl issue Created 6 years, 4 months ago
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1 <!doctype html>
2 <meta name="viewport" content="width=device-width, user-scalable=no">
3 <container id="container"></container>
4 <script>
5 var N = 1000;
6 var duration = 1000;
7 var targets = [];
8 var triggers = [];
9
10 for (var i = 0; i < N; i++) {
11 triggers.push(document.createElement('trigger'));
12 var target = document.createElement('target');
13 container.appendChild(target);
14 targets.push(target);
15 }
16
17 function startAllTransitions() {
18 requestAnimationFrame(function() {
19 targets.forEach(function(target, i) {
20 container.insertBefore(triggers[i], target);
21 });
22 requestAnimationFrame(function() {
23 triggers.forEach(function(trigger) {
24 trigger.remove();
25 })
26 });
27 });
28 }
29
30 startAllTransitions();
31 setInterval(startAllTransitions, duration);
32
33 requestAnimationFrame(function() {
34 window.measurementReady = true;
35 });
36 </script>
37
38 <style>
39 body {
40 margin: 0;
41 overflow: hidden;
42 }
43 container {
44 display: flex;
45 flex-flow: row wrap;
46 width: 550px;
47 height: 800px;
48 background: lightgoldenrodyellow;
49 }
50
51 target {
52 display: inline-block;
53 width: 9px; height: 9px;
54 background: magenta;
55 transition: opacity 1000ms linear;
56 opacity: 0;
57 }
58 trigger + target {
59 transition: none;
60 opacity: 1;
61 }
62 trigger {
63 display: none;
64 }
65 </style>
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