create video playlist using jquery
function handler(e) {
e.preventDefault();
videotarget = this.getAttribute("href");
filename = videotarget.substr(0, videotarget.lastIndexOf('.')) || videotarget;
video = document.querySelector("#video_player video");
video.removeAttribute("controls");
video.removeAttribute("poster");
source = document.querySelectorAll("#video_player video source");
source[0].src = filename + ".mp4";
source[1].src = filename + ".webm";
video.load();
video.play();
}