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MutationObserver shadow-dom show NotFoundError in IE11 #504

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zhoukekestar opened this issue Apr 12, 2022 · 2 comments
Open
1 of 5 tasks

MutationObserver shadow-dom show NotFoundError in IE11 #504

zhoukekestar opened this issue Apr 12, 2022 · 2 comments
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@zhoukekestar
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Description

See the example.

Example

<script src="https://gw.alipayobjects.com/os/lib/webcomponents/webcomponentsjs/2.6.0/webcomponents-bundle.js"></script>


<div id="shadowHost"></div>
<script>
  shadowHost.attachShadow({mode:'open'}).innerHTML = '<div></div>';

  (new MutationObserver(function (mutationsList) {
    console.info('mutated');
  })).observe(shadowHost.shadowRoot, { childList: true });

  shadowHost.shadowRoot.appendChild(document.createElement('div'));

</script>

Steps to reproduce

see the example

Expected behavior

No Error

Actual behavior

NotFoundError

Version

@webcomponents/[email protected]

Browsers affected

  • Chrome
  • Firefox
  • Edge
  • Safari
  • IE 11
@zhoukekestar
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zhoukekestar commented Apr 12, 2022

image

@stale
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stale bot commented Jun 18, 2023

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

@stale stale bot added the wontfix label Jun 18, 2023
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3 participants