Set the anime title as the page title for danime store

index.js

// ==UserScript==
// @name         danime store title
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match       https://animestore.docomo.ne.jp/animestore/sc_d_pc*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const updateTitle = () => {
        document.title = document.querySelector(".pauseInfoTxt1").innerText + " " + document.querySelector(".pauseInfoTxt2").innerText + " " + document.querySelector(".pauseInfoTxt3").innerText
    };

    const initializer = () => {
        const target = document.querySelector(".pauseInfoIn");
        console.log(target);

        if(!target) {
            setTimeout(initializer, 1000);
        }

        updateTitle();

        const observer = new MutationObserver((mutations) => {
            updateTitle();
        });

        const config = { attributes: true, subtree: true, childList: true, characterData: true };

        observer.observe(target, config);
    }

    setTimeout(initializer, 1000);
})();