css_animations_staggered_infinite_iterations.html

<!DOCTYPE html>
<meta name="viewport" content="width=device-width, user-scalable=no">
<link rel="stylesheet" type="text/css" href="resources/animation.css">
<link rel="stylesheet" type="text/css" href="resources/tablet.css">
<script src="resources/perf_test_helper.js"></script>
<style>
target {
  -webkit-animation-iteration-count: infinite;
}
</style>

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

<script>
var N = PerfTestHelper.getN(1000);
var duration = 1000;

for (var i = 0; i < N; i++) {
  var target = document.createElement('target');
  target.style.animationDelay = (-i / N * duration) + 'ms';
  container.appendChild(target);
}

PerfTestHelper.signalReady();
</script>

chromium/tools/perf/page_sets/tough_animation_cases/css_animations_staggered_infinite_iterations.html