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by kemayo 4196 days ago
Having written a wysiwyg editor myself, the bulk of the work in such a project doesn't really touch on what jQuery does.

Assuming you're using contenteditable, a lot of it is about resolving cross-browser differences in the implementation. Probably also reimplementing most of the execCommands since they're wildly inconsistent -- which does involve some DOM manipulation, but is more about using the selection API.