Force play video

force-play.js

// https://github.com/hay/gifvideo/blob/master/gifvideo.js

var start;
var previousTime;
video.load();

// requestAnimationFrame automatically provides Date.now()
function play(now) {
    // only play if it has the data,
    // without waiting for ambiguous events
    if (video.readyState >= video.HAVE_FUTURE_DATA) {
        if (video.currentTime >= video.duration - 0.05) {
            // safer way to check whether the video is ended
            video.currentTime = 0; // restart video
        } else {
            //make it start at 0
            previousTime = previousTime || now;
            // increase it by the time it passed since the last
            // animationFrame
            video.currentTime += (now - previousTime) / 1000;
        }
    }
    previousTime = now;
    requestAnimationFrame(play);
}

play(Date.now());