videoViewGa.js

var ytVideo = document.getElementById('videoframe').contentWindow.document.querySelector('.html5-video-player'),
        videoFrame = [
            documument.querySelector('[src]="https://www.youtube.com/embed/O_WinR_5UTs"'),
            documument.querySelector('[src]="https://www.youtube.com/embed/fATaXHdl8pk"'),
            documument.querySelector('[src]="https://www.youtube.com/embed/uzo0hHvMSFc"'),
            documument.querySelector('[src]="https://www.youtube.com/embed/LlwUzQyl9VQ"')
        ]


    for (var i = 0; i < videoFrame.length; i++) {
        videoFrame[i].addEventListener('click', function () {
            if (ytVideo.classList.contains('playing-mode'))
                ga('b.send', 'event', 'просмотр видео', 'видео ' + (i + 1))
        })
    }