Board Thread:General Coding Help/@comment-26500846-20180518065726/@comment-24692230-20180518070425

Yes you can copy and edit the code to your liking in your global.js, as the code on wikia is CC-BY-SA, so as long as you cite your sources you should be fine. Also, based on what changes you want to make, it might be better to instead propose a change on the script's talk page.