ใครพอมีวิธี Get ค่า totalresult ใน YouTube API มาเก็บลงในตัวแปร JavaScript บ้างครับ

<div id="player"></div>
<script>
	var tag = document.createElement('script');
	tag.src = "https://www.youtube.com/iframe_api";
	var firstScriptTag = document.getElementsByTagName('script')[0];
	firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
	
	var player, videoRandom;
	function onYouTubeIframeAPIReady() {
		videoRandom = Math.floor((Math.random() * 16) + 1);
		player = new YT.Player('player', {
			//width: '0%',
			//height: '0',
			width: '100%',
			height: '256',
			
			playerVars: {
				listType:'playlist',
				list:'RDQMgEzdN5RuCXE',
				index: videoRandom,
				//autoplay: 1,
				//controls: 0,
				//autohide: 0, 
				//showinfo: 0,
			},
			
			events: {
				'onReady': function (event) {
					event.target.playVideo();
					event.target.setLoop(true);
					event.target.mute();
					setTimeout(function() {
						event.target.setShuffle({'shufflePlaylist' : true});
					}, 1000);
				}
			}
		});
	}
</script>