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Embed YouTube Videos with JavaScript

This explains how you can embed YouTube videos using the Google+ approach – only the video thumbnail is loaded along with the page and the actual player loads when the user hits the play button.


<!-- You can embed  multiple Youtube videos on a page -->
<div class="youtube" id="LcIytqkbdlo" style="width:560px; height: 315px;">

<div class="youtube" id="_Jmisv1Spck" style="width:560px; height: 315px;">

<!-- Include the JavaScript only once -->


// Find all the YouTube video embedded on a page
var videos = document.getElementsByClassName("youtube"); 

for (var i=0; i<videos.length; i++) {
  var youtube = videos[i];
  // Based on the YouTube ID, we can easily find the thumbnail image
  var img = document.createElement("img");
  img.setAttribute("src", "" 
                          + + "/hqdefault.jpg");
  img.setAttribute("class", "thumb");

  // Overlay the Play icon to make it look like a video player
  var circle = document.createElement("div");
  // Attach an onclick event to the YouTube Thumbnail
  youtube.onclick = function() {

    // Create an iFrame with autoplay set to true
    var iframe = document.createElement("iframe");
          "" + 
        + "?autoplay=1&autohide=1&border=0&wmode=opaque&enablejsapi=1"); 
    // The height and width of the iFrame should be the same as parent  =; =;
    // Replace the YouTube thumbnail with YouTube HTML5 Player
    this.parentNode.replaceChild(iframe, this);