Board Thread:Support Requests - Getting Technical/@comment-27270518-20160412042555/@comment-27345308-20160412215708

Also, for easier tracking errors you might want to open your JavaScript console. It can be opened usually by clicking F12 and selecting "Console" in the window that appears. In it you can see all errors that appeared while executing your JS.

Also, change "u:kocka:MediaWiki:Emoticons.js" to "u:kocka:MediaWiki:Emoticons/code.js" ;)