File: use-hidden-attr-change.html

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<!doctype html>
<meta charset=utf-8>
<title>use element reacts to attribute changes when it's not rendered</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
<link rel="help" href="https://svgwg.org/svg2-draft/struct.html#UseElement">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1502658">
<link rel="match" href="/svg/linking/reftests/use-descendant-combinator-ref.html">
<style>
</style>
<p>
  You should see a green square, and no red.
</p>
<svg
  version="1.1"
  xmlns="http://www.w3.org/2000/svg"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  style="display: none">
  <defs>
    <g id="square">
      <rect width="100" height="100" fill="green" />
    </g>
  </defs>
  <g id="test">
    <use />
  </g>
</svg>
<script>
  onload = () => {
    document.querySelector("use").setAttributeNS("http://www.w3.org/1999/xlink", "href", "#square");
    document.querySelector("svg").style.display = "";
  }
</script>