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Open the anime entry page instead of the season page for "The anime you plan to watch will begin airing on..." notifications.
// ==UserScript==
// @name New airing anime fix - MAL
// @namespace https://greasyfork.org/en/users/670188-hacker09?sort=daily_installs
// @version 3
// @description Open the anime entry page instead of the season page for "The anime you plan to watch will begin airing on..." notifications.
// @author hacker09
// @match https://myanimelist.net/*
// @icon https://t3.gstatic.com/faviconV2?client=SOCIAL&type=FAVICON&fallback_opts=TYPE,SIZE,URL&url=http://myanimelist.net&size=64
// @run-at document-end
// @grant none
// ==/UserScript==
setTimeout(() => {
'use strict';
new MutationObserver(function() { //Creates a new mutation observer
setTimeout(() => { //Delay execution of forEach loop
document.querySelectorAll('.header-notification-dropdown > div > div > ol > li > a').forEach(function(el) { //For each notification
if (el.href === 'https://myanimelist.net/anime/season') //If the notification has the anime season link
{ //Starts the if condition
el.href = el.parentNode.querySelector('div > div > span > span > a').href; //Replace the anime season link with the entry link
} //Finishes the if condition
}); //Finishes the for each loop
}, 1000); //Finishes the setTimeout function
}).observe(document.querySelector('.header-notification-dropdown'), { attributes: true, attributeFilter: ['style'] }); //Declare changes to be observed
}, 0);