Change CSS filters on video

changeCssFilterOnVid

    // changeCssFiltersOnVid() - Cycle through CSS filters applied to the video stream
    // 1. Grab a reference to the video tag
    // 2. Keep the original CSS classes while still adding the filters
    // 3. Loop through all of the filters

    var changeCssFilterOnVid = function () {
        var el       = document.getElementById('videoTag');
        el.className = 'view--video__video';

        var effect = filters[index++ % filters.length]
        if (effect) {
            el.classList.add(effect);
            console.log(el.classList);
        }
    }