User:Eejit43/scripts/ajax-undo

User script
ajax-undo
	Top: history view before button click; Bottom: diff view after button click
Description	User script to easily undo edits
Author(s)	Eejit43
First released	February 16, 2023; 2 years ago
Updated	June 17, 2025; 7 days ago (see GitHub commit history)
Browsers	Tested on Chromium and Firefox
Skins	✓ Vector 2022; ✓ Vector; ✓ Timeless; ✓ MonoBook; ✓ Modern; ✓ Minerva Neue; ✓ Cologne Blue;
Source	User:Eejit43/scripts/ajax-undo.js
GitHub repository	ajax-undo.ts

This user script adds a link following "undo" on page histories and diff views, allowing the edit to be undone without leaving the history/diff page. It allows for an optional comment to add to the edit summary.

Installation

Simple

Install Enterprisey's "script-installer" (at Preferences → Gadgets → Advanced → Install scripts without having to manually edit JavaScript files (documentation)), then come back to this page and click the "Install" button in the infobox on the right.

Manual

Add the following to your common.js (or a skin specific JavaScript page):

{{subst:install user script|User:Eejit43/scripts/ajax-undo.js}}

Comments/bug reports

Please leave comments or report bugs on my talk page, or file an issue on the GitHub repository.