insertAdjacentElement-with-DOMSubtreeModified.html

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This WPT test may be referenced by the following Test IDs:
- /editing/crashtests/insertAdjacentElement-with-DOMSubtreeModified.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<head>

<script src="../resources/js-test.js"></script>

<script>

function onLoad() {

    const x1 = document.getElementById('x1');

    x1.addEventListener('DOMSubtreeModified', () => {

        const x2 = document.getElementById('x2');

        x2.contentDocument;

});

    x1.setAttribute('inputmode', 'url');

function insertAdjacent() {

    const x2 = document.getElementById('x2');

    const x3 = document.getElementById('x3');

    document.onreadystatechange = insertAdjacent;

    x3.insertAdjacentElement('beforebegin', x2);

</script>

</head>

<body onload="onLoad()">

<div id="x1"></div>

<object id="x2" data="invalid-url" onerror="insertAdjacent()"></object>

<div id="x3"></div>

</body>

</html>