tools/perf/page_sets/tough_animation_cases/css_transitions_simultaneous_by_updating_inline_style.html - Issue 399393002: Add CSS Transitions performance tests

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Side by Side Diff: tools/perf/page_sets/tough_animation_cases/css_transitions_simultaneous_by_updating_inline_style.html

Issue 399393002: Add CSS Transitions performance tests (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Appease linter Created 6 years, 2 months ago

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(Empty)
	1 <!DOCTYPE html>

	2 <meta name="viewport" content="width=device-width, user-scalable=no">

	3 <link rel="stylesheet" type="text/css" href="resources/tablet.css">

	4 <link rel="stylesheet" type="text/css" href="resources/transition.css">

	5 <script src="resources/perftesthelper.js"></script>

	6

	7 <container id="container"></container>

	8

	9 <script>

	10 var N = PerfTestHelper.getN(1000);

	11 var duration = 1000;

	12 var targets = [];

	13 var keyframe = 1;

	14 var keyframeValues = [0, 1]

	15

	16 for (var i = 0; i < N; i++) {

	17 var target = document.createElement('target');

	18 container.appendChild(target);

	19 targets.push(target);

	20 }

	21

	22 function startAllTransitions() {

	23 keyframe ^= 1;

	24 targets.forEach(function(target) {

	25 target.style.opacity = keyframeValues[keyframe];

	26 });

	27 }

	28

	29 requestAnimationFrame(startAllTransitions);

	30 setInterval(startAllTransitions, duration);

	31

	32 PerfTestHelper.signalReady();

	33 </script>

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