effect-on-marquee-parent-crash.html

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /web-animations/animation-model/keyframe-effects/effect-on-marquee-parent-crash.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Animating marquee's parent inside display:none</title>

<link rel="help" href="https://drafts.csswg.org/web-animations-1/">

<link rel="help" href="https://crbug.com/1290016">

<div id=container></div>

<script>

  let outer = document.createElement('div');

  outer.style.display = 'none';

  let inner = document.createElement('div');

  let marquee = document.createElement('marquee');

  let effect = new KeyframeEffect(inner, [{'width': '1px'}], 1);

  let anim = new Animation(effect, null);

  anim.pause();

  document.body.append(outer);

  outer.append(inner);

  inner.append(marquee);

  // Don't crash.

</script>