Tampermonkey: THE IDOLMASTER SHINY COLORS - background sound enabler

imas_sc.js

// ==UserScript==
// @name         THE IDOLMASTER SHINY COLORS - background sound enabler
// @namespace    https://twitter.com/_uyza_
// @version      0.1
// @description  Playing sound when browser loses focus
// @author       Azyu
// @match        https://shinycolors.enza.fun/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    window.addEventListener("blur", function (e) {
        e.stopImmediatePropagation();
    }, false);

})();