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<!DOCTYPE html>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
</head>
<body>
<iframe id="iframe"></iframe>
<script>
promise_test(async function() {
const child = document.getElementById("iframe");
const childDocument = child.contentDocument;
const inputElement = childDocument.createElement('input');
inputElement.type = "number";
childDocument.body.appendChild(inputElement);
let events = [];
inputElement.addEventListener("beforeinput", () => {
child.remove();
events.push("beforeinput");
});
inputElement.addEventListener("input", () => {
events.push("input");
});
inputElement.addEventListener("change", () => {
events.push("change");
});
inputElement.focus();
// Get the spin button up arrow key location and adjust with iframe offset to get absolute position
const x1 = (inputElement.offsetLeft + inputElement.offsetWidth - 10) + child.offsetLeft;
const y1 = (inputElement.offsetTop + inputElement.offsetHeight / 4) + child.offsetTop;
await test_driver_internal.click(inputElement,{x: x1, y: y1});
assert_array_equals(events, ['beforeinput']);
assert_false(document.body.contains(child));
}, "Number input should not crash and not fire subsequent events when event handler removes document");
</script>
</body>
</html>
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