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PR-URL: https://github.com/nodejs/node/pull/54642 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Mattias Buelens <mattias@buelens.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Ethan Arrowood <ethan@arrowood.dev> Reviewed-By: Chemi Atlow <chemi@atlow.co.il> Reviewed-By: James M Snell <jasnell@gmail.com>
53 lines
1.6 KiB
HTML
53 lines
1.6 KiB
HTML
<!DOCTYPE html>
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<title>preventDefault during activation behavior</title>
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<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1197032">
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<link rel="help" href="https://html.spec.whatwg.org/multipage/C#the-button-element">
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<link rel="help" href="https://dom.spec.whatwg.org/#dispatching-events">
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<link rel="author" title="L. David Baron" href="https://dbaron.org/">
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<link rel="author" title="Google" href="http://www.google.com/">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<body>
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<form id="f">
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<input type="submit" id="b">
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</form>
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<script>
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promise_test(async () => {
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let form = document.getElementById("f");
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let button = document.getElementById("b");
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let cached_event;
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let submit_fired = false;
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let click_promise = new Promise((resolve, reject) => {
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button.addEventListener("click", event => {
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assert_false(submit_fired);
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cached_event = event;
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resolve();
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});
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});
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form.addEventListener("submit", event => {
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assert_false(submit_fired);
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assert_true(!!cached_event, "click should have fired");
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// Call preventDefault on the click event during its activation
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// behavior, to test the bug that we're trying to test.
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cached_event.preventDefault();
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// prevent the form submission from navigating the page
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event.preventDefault();
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submit_fired = true;
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});
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assert_false(submit_fired);
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button.click();
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await click_promise;
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assert_true(submit_fired);
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}, "behavior of preventDefault during activation behavior");
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</script>
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