wpt/css/css-highlight-api/painting/custom-highlight-painting-009.html at 79b75438948cb41efc93d9ad68a851a5c868fdff · web-platform-tests/wpt · GitHub

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<!DOCTYPE html>
<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 is repainted correctly when collapsing a Range after registering a Highlight that contains it in the HighlightRegistry">
<style>
  ::highlight(example-highlight) {
    background-color: yellow;
    color: blue;
  }
  ::highlight(another-highlight) {
    background-color: red;
    color: orange;
  }
</style>
<body><span>One </span><span>two </span><span>three…</span>
<script>
  let r1 = new Range();
  r1.setStart(document.body, 0);
  r1.setEnd(document.body, 2);
  let r2 = new Range();
  r2.setStart(document.body, 1);
  r2.setEnd(document.body, 3);
  let h1 = new Highlight(r1);
  let h2 = new Highlight(r2);
  CSS.highlights.set("example-highlight", h1);
  CSS.highlights.set("another-highlight", h2);
  r2.collapse();
</script>