Ahab / Chain alert

// ==UserScript==
// @name         Chain alert
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  Alert when time left under set times
// @author       Ahab [1735214]
// @match        *www.torn.com/rules.php*
// @updateURL    https://openuserjs.org/meta/Ahab/Chain_alert.meta.js
// @license      MIT
// ==/UserScript==

const times = [10,15,20,25,30,35,90,120,180]
var hitsOver = 1000
var audioPlayer = document.createElement('audio');
var timesNew = jQuery.extend(true, [], times)
audioPlayer.src = 'https://www.torn.com/casino/russianRoulette/audio/bang.ogg';
audioPlayer.preload = 'auto';

if(localStorage.alertStatus === undefined){
    localStorage.alertStatus = 0
}

$(document).ready(function (){
    $('a[class*="chain-bar___"]').after("<div id='chainAlert' style='color:rgb(153, 10, 0)'><span>Chain Alert: </span><span id='state'>Off</span></div>")
    if(localStorage.alertStatus == 1){
        $('div[id*="chainAlert"]')[0].style.color = 'rgb(61, 153, 0)'
        $('span[id*="state"]').text('On')
        alert()
    }
})

$('div[id*="chainAlert"]').on('click', function(){
    if($('span[id*="state"]').text() == 'Off'){
        $(this)[0].style.color = 'rgb(61, 153, 0)'
        $('span[id*="state"]').text('On')
        localStorage.alertStatus = 1
        alert()
    }
    else{
        $(this)[0].style.color = 'rgb(153, 10, 0)'
        $('span[id*="state"]').text('Off')
        localStorage.alertStatus = 0
    }
})

function alert(){
    if(localStorage.alertStatus == 1 && $('div[class*="cooldown___"]').length == 0){
        var observerTarget = $('p[class*="bar-timeleft____"]')[0];
        var observerConfig = { attributes: false, childList: false, characterData: true, subtree: true };
        var observer = new MutationObserver(function(mutations) {
            if(localStorage.alertStatus == 1 && parseInt($('p[class*="bar-value___"]')[4].innerText.split('/')[0]) > hitsOver && $('div[class*="cooldown___"]').length == 0){
                $.each(times, function(index){
                    if(parseInt((mutations[0].target.nodeValue).split(':')[0])*60+parseInt((mutations[0].target.nodeValue.split(':')[1])) <= timesNew[index]){
                        audioPlayer.play();
                        timesNew.splice(timesNew.indexOf(timesNew[index]),1)
                    }
                    else if(parseInt((mutations[0].target.nodeValue).split(':')[0])*60+parseInt((mutations[0].target.nodeValue.split(':')[1])) >= 295){
                        timesNew = jQuery.extend(true, [], times)
                    }
                })
            }
            else{
                observer.disconnect()
            }
        });
        observer.observe(observerTarget, observerConfig);
    }
}