33 lines
834 B
JavaScript
33 lines
834 B
JavaScript
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// ==UserScript==
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// @name Disable page close confirmation
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// @description Disable page close confirmation (onBeforeUnload)
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// @namespace http://nags.must.die
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// @version 2.0
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// @grant none
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// @run-at document-start
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// @match *://*/*
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// ==/UserScript==
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(function () {
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var spoofer = {
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enumerable: true,
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configurable: false,
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get: () => null,
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set: fn => fn,
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};
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Object.defineProperties(window, {
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onbeforeunload: spoofer,
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onunload: spoofer,
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});
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var originalAdd = EventTarget.prototype.addEventListener;
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EventTarget.prototype.addEventListener = function (type) {
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var tl;
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if (this !== window ||
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typeof type !== 'string' ||
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(tl = type.toLowerCase()) !== 'beforeunload' && tl !== 'unload') {
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originalAdd.apply(this, arguments);
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}
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};
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})();
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