imperative-slot-api-crash.html

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This WPT test may be referenced by the following Test IDs:
- /shadow-dom/crashtests/imperative-slot-api-crash.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>Removing slots from imperative shadow DOM should not crash</title>

<link rel="help" href="https://crbug.com/869308">

<div id="host">

  <div id="child1"></div>

</div>

<script>

  const host = document.querySelector("#host");

  const child1 = document.querySelector("#child1");

  const shadow_root = host.attachShadow({ mode: "open", slotAssignment: "manual" });

  const slot1 = document.createElement("slot");

  const slot2 = document.createElement("slot");

  shadow_root.appendChild(slot1);

  shadow_root.appendChild(slot2);

  slot2.assign(child1);

  slot1.assign(child1);

  slot1.remove();

  slot2.remove();

</script>