tools/perf/page_sets/perf_week/css-animations-simultaneous-by-inserting-style-element.html - Issue 402433004: Test adding perf week tests as smoothness benchmark

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Side by Side Diff: tools/perf/page_sets/perf_week/css-animations-simultaneous-by-inserting-style-element.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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(Empty)
	1 <!doctype html>

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

	3 <container id="container"></container>

	4 <script>

	5 window.measurementReady = true;

	6 var N = 1000;

	7 var duration = 1000;

	8 var style = null;

	9

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

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

	12 container.appendChild(target);

	13 }

	14

	15 var nextAnim = 0;

	16 function updateStyle() {

	17 if (style) {

	18 style.remove();

	19 }

	20 anim = 'anim' + nextAnim++;

	21 style = document.createElement('style');

	22 style.textContent = '\

	23 target {\

	24 display: inline-block;\

	25 width: 9px; height: 9px;\

	26 background: orange;\

	27 -webkit-animation: ' + anim + ' 1s infinite;\

	28 }\n\

	29 @-webkit-keyframes ' + anim + ' {\

	30 0% { opacity: 0; }\

	31 100% { opacity: 1; }\

	32 }';

	33 container.appendChild(style);

	34 }

	35

	36 updateStyle();

	37 setInterval(updateStyle, duration);

	38 </script>

	39

	40 <style>

	41 body {

	42 margin: 0;

	43 overflow: hidden;

	44 }

	45 container {

	46 display: flex;

	47 flex-flow: row wrap;

	48 width: 550px;

	49 height: 800px;

	50 background: magenta;

	51 }

	52 </style>

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