File: custom-highlight-painting-invalidation-003.html

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<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="UTF-8">
<title>CSS Highlight API Test: </title>
<link rel="help" href="https://drafts.csswg.org/css-highlight-api-1/">
<link rel="match" href="custom-highlight-painting-001-ref.html">
<meta name="assert" value="::highlight overlay is correctly invalidated and repainted after modifying its range">
<script src="resources/run-after-layout-and-paint.js"></script>
<style>
  ::highlight(example-highlight) {
    background-color: yellow;
    color: blue;
  }
</style>
<body><span>One </span><span>two </span><span>three…</span>
<script>
  let r = new Range();
  CSS.highlights.set("example-highlight", new Highlight(r));

  // Force frame paint before modifying the Highlight's range.
  runAfterLayoutAndPaint(()=>{
    r.setStart(document.body, 0);
    r.setEnd(document.body, 2);
    document.documentElement.removeAttribute("class");
  });
</script>
</html>