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LibWeb: Implement the "check if unloading is canceled" AO

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This method is responsible for firing `beforeunload` events.
This commit is contained in:
Tim Ledbetter 2024-10-02 23:56:26 +01:00 • committed by Andreas Kling
commit 1fa948f114
Notes: github-actions[bot] 2024-10-05 07:18:28 +00:00
7 changed files with 231 additions and 8 deletions
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14
Tests/LibWeb/Text/input/DOM/beforeunload.html Normal file
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<script src="../include.js"></script>
<script>
asyncTest(done => {
const iframe = document.createElement("iframe");
document.body.appendChild(iframe);
iframe.contentWindow.addEventListener("beforeunload", e => {
println("Before unload event fired");
e.preventDefault();
println(`Default prevented: ${e.defaultPrevented}`);
done();
});
iframe.src = "about:blank";
});
</script>