HTML5 embedded youtube videos

Changes the way of embedding youtube videos from old 'object' to new 'iframe'

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name           HTML5 embedded youtube videos
// @namespace      html5
// @description    Changes the way of embedding youtube videos from old 'object' to new 'iframe' 
// @include        *
// @author         original script by Mikhail Khvoinitsky in (2010 https://userscripts-mirror.org/scripts/show/82749 updated in 2020 to add https to remove mixed content error.
// @version        0.3
// ==/UserScript==  


var insertLink = 1;



var n = 0;
while (document.getElementsByTagName("object")[n] != undefined)
{
  
    var currentElement = document.getElementsByTagName("object")[n];
  
      if (currentElement.getElementsByTagName("embed")[0] == undefined){
      }

  
      if (currentElement.getElementsByTagName("embed")[0] != undefined)
      {  
      		if ((currentElement.getElementsByTagName("embed")[0].src.indexOf("http://youtube.com/") == 0) 
          || (currentElement.getElementsByTagName("embed")[0].src.indexOf("http://www.youtube-nocookie.com/") == 0))
    			{
            
              var newElement = document.createElement('iframe');
              newElement.setAttribute('class', 'youtube-player');
              newElement.setAttribute('width', currentElement.width);
              newElement.setAttribute('height', currentElement.height);
              
              var src = currentElement.getElementsByTagName("embed")[0].src;
              newElement.setAttribute('frameborder', '0');
              src = src.replace('.com/v/', '.com/embed/');
            	src = src.replace('http:', 'https:');
              src = src.split('&')[0];
              newElement.setAttribute('src', src);
              currentElement.parentNode.insertBefore(newElement, currentElement);
              if (insertLink == 1)
              {
                  var link = document.createElement('a');
                  link.setAttribute('href', 'https://www.youtube.com/watch?v=' + src.substring(src.lastIndexOf('/') + 1, src.length));
                  link.innerHTML = 'Watch this video on Youtube';
                  var br = document.createElement('br');
                  currentElement.parentNode.insertBefore(br, currentElement);
                  currentElement.parentNode.insertBefore(link, currentElement);
              }
              currentElement.parentNode.removeChild(currentElement);
              n--;
         }
         n++;
      }
}