summaryrefslogtreecommitdiff
path: root/layout/reftests/web-animations/stacking-context-transform-changing-effect.html
blob: 5e3842df36cd86ae47a09fc79361d25fad52d87b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
<!DOCTYPE html>
<html class="reftest-wait reftest-no-flush">
<title>
  Transform animation creates a stacking context after changing effects
</title>
<style>
span {
  height: 100px;
  width: 100px;
  position: fixed;
  background: green;
  top: 50px;
}
div {
  width: 100px;
  height: 100px;
  background: blue;
}
</style>
<span></span>
<div id="test"></div>
<script>
  var elem = document.getElementById("test");
  var anim = elem.animate(null, { duration: 100000 });
  var newEffect = new KeyframeEffect(elem,
                                     { transform: ['none', 'none']},
                                     100000);
  anim.ready.then(function() {
    anim.effect = newEffect;
    requestAnimationFrame(function() {
      document.documentElement.classList.remove("reftest-wait");
    });
  });
</script>
</html>