1439016.html - mozsearch

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<!DOCTYPE html>

<div id="host">

  <div slot="slot1">content</div>

</div>

<script>

// NOTE(emilio): the failure mode for this crashtest is asserting whenever the

// shell goes away.

let shadowRoot = document.querySelector('#host').attachShadow({ mode: 'open' });

shadowRoot.innerHTML = `

  <div id="slot1-container">

    <slot id="slot1" name="slot1"></slot>

    <button id="button1">Click here</button>

  </div>

`;

document.body.offsetTop;

shadowRoot.querySelector('#slot1-container').remove();

</script>