svgtransformlist-replaceitem.html

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This WPT test may be referenced by the following Test IDs:
- /svg/coordinate-systems/svgtransformlist-replaceitem.html - WPT Dashboard Interop Dashboard

<!DOCTYPE HTML>

<link rel="help" href="https://svgwg.org/svg2-draft/coords.html#InterfaceSVGTransformList">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<body>

<svg width="800" height="600" xmlns="http://www.w3.org/2000/svg">

<text id="text" x="200" y="200"

      transform="scale(1) translate(0 0)">123</text>

<text id="ref" x="200" y="200"

      transform="scale(10 1) translate(0 0)">123</text>

</svg>

<script>

test(() => {

  const referenceBox = document.querySelector('#ref').getBBox();

  const root = document.querySelector('svg');

  const text = document.querySelector('#text');

  // Make the transform of #text same as #ref.

  const scale = root.createSVGTransform();

  scale.setScale(10, 1);

  text.transform.baseVal.replaceItem(scale, 0);

  const box = text.getBBox();

  assert_equals(box.y, referenceBox.y);

  assert_equals(box.height, referenceBox.height);

}, 'Dynamic update of transform; replaceItem()');

</script>

</body>