Thread:Yatalu/@comment-24121492-20150623115135/@comment-24121492-20150626061626

Yatalu wrote: Local: putting it in Special:MyPage/wikia.js on the wiki where you need it.

Console: http://webmasters.stackexchange.com/questions/8525/how-to-open-the-javascript-console-in-different-browsers Nothing for Opera there.