yt_for_lpc4

function initAllVideos() {
	var ytplayerList;


	function onPlayerReady(e) {
		var video_data = e.target.getVideoData(),
			label = video_data.video_id + ':' + video_data.title;
		e.target.ulabel = label;

		console.log(label + " is ready!");
	};

	function onPlayerError(e) {
		console.log('[onPlayerError]');
	};

	function onPlayerStateChange(e) {
		var label = e.target.ulabel;
		if (e["data"] == YT.PlayerState.PLAYING) {
			pauseOthersYoutubes(e.target);
			pauseHtmlVideo();

			console.log(22)
		}
		//track number of buffering and quality of video
		if (e["data"] == YT.PlayerState.BUFFERING) {
			e.target.uBufferingCount ? ++e.target.uBufferingCount : e.target.uBufferingCount = 1;

			if (YT.PlayerState.UNSTARTED == e.target.uLastPlayerState) {
				pauseOthersYoutubes(e.target);
				pauseHtmlVideo();

				console.log(33)
			}
		}
		//last action keep stage in uLastPlayerState
		if (e.data != e.target.uLastPlayerState) {
			e.target.uLastPlayerState = e.data;
		}
	};

	function initYoutubePlayers() {
		ytplayerList = null; //reset
		ytplayerList = []; //create new array to hold youtube player

		for (var e = document.querySelectorAll(".js-lp-video-youtube"), x = e.length; x--;) {
			if (/youtube.com\/embed/.test(e[x].src)) {
				ytplayerList.push(initYoutubePlayer(e[x]));
			}
		}

		console.log(ytplayerList)
	};

	function pauseOthersYoutubes(currentPlayer) {
		console.log(ytplayerList)

		if (!currentPlayer) return;
		for (var i = ytplayerList.length; i--;) {
			if (ytplayerList[i] && (ytplayerList[i] != currentPlayer)) {
				console.log(ytplayerList[i])
				ytplayerList[i].pauseVideo();
			}
		}
	};
	//init a youtube iframe
	function initYoutubePlayer(ytiframe) {
		var ytp = new YT.Player(ytiframe, {
			events: {
				onStateChange: onPlayerStateChange,
				onError: onPlayerError,
				onReady: onPlayerReady
			}
		});
		ytiframe.ytp = ytp;
		return ytp;
	};

	function pauseOnHtmlVideoPlaying() {
		let $video = $('.js_html_video');

		$video.each(function () {
			$(this).on('playing', function () {
				$video.removeClass('js_playing_video')
				$(this).addClass('js_playing_video');

				$video.each(function () {
					if (!$(this).hasClass('js_playing_video')) {
						$(this)[0].pause();
					};
				});

				pauseOthersYoutubes($('.js-lp-video-youtube'))
			});
		});
	};

	function pauseHtmlVideo() {
		let $video = $('.js_html_video');

		$video.each(function () {
			$(this)[0].pause();
		});
	};



	var yt_int;

	yt_int = setInterval(function(){
        if(typeof YT === "object"){
            clearInterval(yt_int);
			setTimeout(function(){
				initYoutubePlayers();
			}, 1500);
        }
    },500);

	setTimeout(function(){
		pauseOnHtmlVideoPlaying();
	}, 500);
};



window.addEventListener('DOMContentLoaded', () => {
	initAllVideos();
});