Blitz - WPT: image-animation-background-paused-late-add.html

wpt / css / css-image-animation / image-animation-background-paused-late-add.html

/css/css-image-animation/image-animation-background-paused-late-add.html

<!DOCTYPE html>
<html class="reftest-wait">
<title>pausing animated image for a later-added background layer</title>
<link rel="help" href="https://drafts.csswg.org/css-image-animation-1/">
<meta charset="utf-8" />
<link rel="match" href="image-animation-background-paused-late-add-ref.html" />
<script src="/common/reftest-wait.js"></script>

<style>
  #box {
    width: 40px;
    height: 10px;
    background-image: url("../../images/anim-gr.gif");
    background-repeat: no-repeat;
    background-position: 0 0;
    image-animation: paused;
  }
</style>

<div id="box"></div>

<script>
  window.addEventListener("load", () => {
    requestAnimationFrame(() => {
      const box = document.getElementById('box');
      box.style.backgroundImage =
          'url("../../images/anim-gr.gif"), url("../../images/anim-gr.gif")';
      box.style.backgroundPosition = '0 0, 20px 0';
      takeScreenshotDelayed(300);
    });
  });
</script>

</html>

/css/css-image-animation/image-animation-background-paused-late-add-ref.html

<!DOCTYPE html>
<style>
  #box {
    width: 40px;
    height: 10px;
    background-image: url("../../images/green.png"), url("../../images/green.png");
    background-repeat: no-repeat;
    background-position: 0 0, 20px 0;
  }
</style>
<div id="box"></div>