iframe-document-move-to-active-crash.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/embedded-content/the-iframe-element/iframe-document-move-to-active-crash.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>Moving focused iframe into an active document during focus change should not crash</title>

This test passes if it does not crash

<script>

    const root = document.documentElement;

    const activeIframe = document.createElement("iframe");

    root.appendChild(activeIframe);

    const targetIframe = document.createElement("iframe");

    root.appendChild(targetIframe);

    targetIframe.addEventListener("focusout", () => {

        activeIframe.contentDocument.adoptNode(targetIframe);

})

    targetIframe.focus();

    const nextTarget = document.createElement("button");

    root.appendChild(nextTarget);

    nextTarget.focus();

</script>