wpt/css/compositing/opacity-and-transform-animation-crash.html at master · web-platform-tests/wpt · GitHub

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<!DOCTYPE HTML>
<html class=test-wait>
<style type="text/css">
  @keyframes anim {
    from {
      opacity: 0.99;
    }
    to {
      opacity: 0.9;
      transform: scale(1, 1);
    }
  }
</style>
<div id="div" style="transform: scale(1, 10); animation: 50ms linear 0s anim;"></div>
<script>
  function boom() {
    div.style.transform = '';
    document.execCommand("SelectAll", false, "");
    requestAnimationFrame(function() {
      requestAnimationFrame(function() {
        document.documentElement.classList.remove('test-wait');
      });
    });
  }
  setTimeout(boom, 50);
</script>
</html>