css-scoping-shadow-nested-slot-display-override.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-scoping/css-scoping-shadow-nested-slot-display-override.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>CSS Scoping: Dynamically overriding nested slot display value</title>

<link rel="author" title="Rune Lillesveen" href="mailto:futhark@chromium.org">

<link rel="help" href="https://drafts.csswg.org/css-scoping/#slots-in-shadow-tree">

<link rel="match" href="reference/green-box.html"/>

<style>

  #outerHost {

      width: 100px;

      height: 100px;

      background: red;

</style>

<p>Test passes if you see a single 100px by 100px green box below.</p>

<div id="outerHost"> </div>

<script>

  let outerRoot = outerHost.attachShadow({mode:"open"});

  outerRoot.innerHTML = '<div id="innerHost"><slot></slot></div>';

  let innerHost = outerRoot.querySelector("#innerHost");

  let innerRoot = innerHost.attachShadow({mode:"open"});

  innerRoot.innerHTML = '<slot style="display:none; border:solid 50px green"></slot>';

  document.body.offsetTop;

  innerRoot.querySelector("slot").style.display = "block";

</script>