<iframe id="play-all" src="https://www.youtube.com/embed/j942wKiXFu8?loop=1&autoplay=1&enablejsapi=1&playlist=j942wKiXFu8,kVeOpcw4GWY,9D1x7-2FmTA" style="width:100%; height: 100%; border: 0 none; margin: 0px; padding: 0px;"> </iframe>
Also for MP4 videos:
var videosList = ["video1.mp4", "video2.mp4", "video3.mp4", "video4.mp4"] video_count = 1; videoPlayer = document.getElementById("homevideo"); function run(){ video_count++; if (video_count == videosList.length) video_count = 0; var nextVideo = "app/video"+videosList[video_count]; videoPlayer.src = nextVideo; videoPlayer.play(); }; <video id="homevideo" width="100%" autoplay onended="run()"> <source src="app/video1.mp4" type='video/mp4'/> </video>