historical.html - mozsearch

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<!doctype html>

<title>Custom Elements historical features</title>

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

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

<script>

test(() => {

  assert_false('registerElement' in document);

}, 'document.registerElement should not exist');

test(() => {

  const dummy = document.createElement("div");

  const shadowRoot = dummy.attachShadow({ mode: "closed" });

  assert_equals(shadowRoot.importNode, undefined);

  assert_equals(shadowRoot.createElement, undefined);

  assert_equals(shadowRoot.createElementNS, undefined);

}, "ShadowRoot doesn't have importNode or createElement[NS]");

test(() => {

  const dummy = document.createElement("div");

  dummy.attachShadow({ mode: "closed", get registry() { throw "FAIL" } });

}, "attachShadow() does not recognize a registry member");

</script>