bootstrap change video source code example

Example 1: embed-responsive-item

<div class="embed-responsive embed-responsive-16by9">
  <iframe class="embed-responsive-item" src="https://www.youtube.com/embed/zpOULjyy-n8?rel=0" allowfullscreen></iframe>
</div>

Example 2: js change video src

var video = document.getElementById('video');
var source = document.getElementById('source');

source.setAttribute('src', 'http://www.tools4movies.com/trailers/1012/Kill%20Bill%20Vol.3.mp4');

video.load();
video.play();