| Index: tools/perf/page_sets/perf_week/css-transitions-simultaneous-by-inserting-new-elements.html
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| diff --git a/tools/perf/page_sets/perf_week/css-transitions-simultaneous-by-inserting-new-elements.html b/tools/perf/page_sets/perf_week/css-transitions-simultaneous-by-inserting-new-elements.html
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| new file mode 100644
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| index 0000000000000000000000000000000000000000..05e97aa47b9b506e5cb8ee6cad749c1c484b6e17
|
| --- /dev/null
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| +++ b/tools/perf/page_sets/perf_week/css-transitions-simultaneous-by-inserting-new-elements.html
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| @@ -0,0 +1,65 @@
|
| +<!doctype html>
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| +<meta name="viewport" content="width=device-width, user-scalable=no">
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| +<container id="container"></container>
|
| +<script>
|
| +var N = 1000;
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| +var duration = 1000;
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| +var targets = [];
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| +var triggers = [];
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| +
|
| +for (var i = 0; i < N; i++) {
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| + triggers.push(document.createElement('trigger'));
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| + var target = document.createElement('target');
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| + container.appendChild(target);
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| + targets.push(target);
|
| +}
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| +
|
| +function startAllTransitions() {
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| + requestAnimationFrame(function() {
|
| + targets.forEach(function(target, i) {
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| + container.insertBefore(triggers[i], target);
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| + });
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| + requestAnimationFrame(function() {
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| + triggers.forEach(function(trigger) {
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| + trigger.remove();
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| + })
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| + });
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| + });
|
| +}
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| +
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| +startAllTransitions();
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| +setInterval(startAllTransitions, duration);
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| +
|
| +requestAnimationFrame(function() {
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| + window.measurementReady = true;
|
| +});
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| +</script>
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| +
|
| +<style>
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| +body {
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| + margin: 0;
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| + overflow: hidden;
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| +}
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| +container {
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| + display: flex;
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| + flex-flow: row wrap;
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| + width: 550px;
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| + height: 800px;
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| + background: lightgoldenrodyellow;
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| +}
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| +
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| +target {
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| + display: inline-block;
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| + width: 9px; height: 9px;
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| + background: magenta;
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| + transition: opacity 1000ms linear;
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| + opacity: 0;
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| +}
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| +trigger + target {
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| + transition: none;
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| + opacity: 1;
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| +}
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| +trigger {
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| + display: none;
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| +}
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| +</style>
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|
|