In the previous part of this tutorial, we walked through how to make a very basic version of a ToDo app using Wikimedia’s OOjs UI library. Now it’s time to add a way to store and display information from our items.

As part of my neverending quest towards improving my programming skills and learning new patterns and algorithms, I had the idea of finding myself a well-defined challenge I can conquer from start to finish. After a bit of searching, I found one: programming a Sudoku puzzle game.

In this post we’ll walk through creating a simple ToDo JavaScript app with the OOjs UI library, which was created by the Wikimedia Foundation. OOjs UI has a lot of power under the hood and a lot of potential for super-powerful JavaScript applications in your browser — so we will start small and grow as we go, hopefully giving you a taste of the library and its concepts.

If you’ve read any of my previous posts, you should know by now that I have been participating in the Google Summer of Code internship, working for the Wikimedia Foundation. And now, as the summer has ended, so has this internship, and it’s time for a summary. So here it is in a crunch: