Add sound notification to Youtube Live chat

youtube-live-chat-sound-notification.js

(() => {
	var audio = new Audio('https://freesound.org/data/previews/235/235911_2391840-lq.mp3');
	audio.volume = 0.8;
	audio.autoplay = false;
	
	$('#chatframe').contentWindow.document.getElementById('item-scroller').addEventListener('scroll', function(obj) {
        console.log(obj);

    		audio.play();
        
	});
})();