File: set-composited-layer-position.html

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<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>Setting composited layer position paints properly</title>
<link rel="author" title="Mason Freed" href="masonfreed@chromium.org">
<link rel="help" href="https://drafts.csswg.org/cssom-view-1/">
<link rel="match"  href="set-composited-layer-position-ref.html">

<div id="box"></div>
<div id="tomove"></div>
<style>
div {
  position: absolute;
  top: 0;
  left: 0;
  will-change: transform;
  width: 200px;
  height: 200px;
}
#box {
  background: red;
}
#tomove {
  background: green;
  top: 200px;
  left: 200px;
  filter: invert(0);
}
</style>
<script>
  window.onload = function() {
    requestAnimationFrame(function() {
      requestAnimationFrame(function() {
        tomove = document.getElementById("tomove");
        tomove.style.top = 0;
        tomove.style.left = 0;
        document.documentElement.classList.remove("reftest-wait");
      });
    });
  }
</script>
</html>