Thread:OpalGalaxy/@comment-24994717-20160901163220/@comment-32881089-20160902083940

Edited  http://YourWiki.wikia.com/wiki/ Mediawiki:Common.js or  http://YourWiki.wikia.com/wiki/ User:W0rkinprogress/common.js

I recommend adding importScriptPage('MediaWiki:YoutubePlayer/code.js','dev'); into it.

Next step is make the template. After making it, use it in a page such as how we use it in Steven Universe Wiki.