File: Document-createElement-svg.svg

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file content (24 lines) | stat: -rw-r--r-- 1,139 bytes parent folder | download | duplicates (30) 
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<?xml version="1.0" encoding="utf-8"?>
<svg:svg xmlns:svg="http://www.w3.org/2000/svg"
   xmlns="http://www.w3.org/1999/xhtml"
   width="100%" height="100%" viewBox="0 0 800 600">
<svg:title>document.createElement in SVG for custom elements</svg:title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script><![CDATA[
test(() => {
  class MyElement1 extends HTMLElement {}
  customElements.define('my-element', MyElement1);
  let element = document.createElement('my-element', {});
  assert_false(element instanceof MyElement1, 'Autonomous custom element should not be created.');
}, 'document.createElement() in SVG documents should not create autonomous custom elements.')

test(() => {
  class MyElement2 extends HTMLDivElement {}
  customElements.define('my-div', MyElement2, { extends: 'div' });

  let element = document.createElement('div', { is: 'my-div' });
  assert_false(element instanceof MyElement2, 'Custom built-in element should not be created.');
}, 'document.createElement() in SVG documents should not create custom built-in elements.')
]]></script>
</svg:svg>