Board Thread:Support Requests - Getting Technical/@comment-43508246-20190906033628/@comment-9605025-20190906214942

- Edit:
 * 1) Giving us a links to where you see this will help us get a better idea of what you are talking about. In most cases, we will even be able to tell you how they did it. Without links, the best we can do is guess; both at what you are talking about and how it was done.
 * 2) FANDOM offers 3 different editors (ways to edit) for regular pages. There is the VisualEditor (ve) which is used by default where possible. This editor offers a "better" editing experience by providing true "what you see is what you get" editing. You can click on things to edit them and if something looks blue, it is blue. This editor tends to be the buggiest of the 3, is vulnerable to personal JS (if you know what that is), and uses a lot of features that rely on cached data. The cached data means that things aren't always up-to-date. For example, if you add a new field to an infobox and immediately try to add the infobox to a page, the new field won't be there. The VisualEditor also cannot be used for pages with "complex" layouts or when using older browsers such as Internet Explorer. Then there is the classic editor (ce). This editor offers two modes: rich-text (rte) and source. What Fngplg means by "ce" is the rte. The rich-text mode is the former visual mode that displays some things as you will see them and some things as little icons. For example, instead of seeing an infobox, you will see a small puzzle piece icon representing the infobox. I am not sure about caching, but in terms of bugs it is more robust than VisualEditor. Well, except for a few major bugs they had recently; but I believe those have been fixed. It is also more compatible with older browsers. Last is source mode. This mode is the least buggy, most old browser compatible, and (with a few extremely rare exceptions) can always be used regardless of page content. This mode presents the entire page as text, like a plain word document. Things such as links and infoboxes are indicated using special character sequences.

I am still not sure where you saw this, but perhaps this thread will help.