add: userscript-disable-youtube-autoplay-next.js

userscript-disable-youtube-autoplay-next.js

@@ -0,0 +1,29 @@
+// ==UserScript==
+// @name         Disable YouTube "Autoplay next video"
+// @namespace    https://vlw.se/
+// @version      2026-04-10
+// @description  Automatically disable autoplay of next video at the end of
+// @author       Victor Westerlund
+// @match        https://www.youtube.com/watch?v=*
+// @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
+// @grant        none
+// ==/UserScript==
+
+(function() {
+	'use strict';
+
+	const disableAutoplay = () => {
+		const target = document.querySelector(".ytp-autonav-toggle-button");
+
+		// Mission accomplished
+		if (target && target.ariaChecked === "false") {
+			return;
+		}
+
+		// Attempt to disable autoplay
+		target?.click();
+		requestIdleCallback(disableAutoplay);
+	}
+
+	requestIdleCallback(disableAutoplay);
+})();