Understanding client-side JavaScript frameworks – MDN
developer.mozilla.org
developer.mozilla.org
It's an introduction and overview of client-side frameworks, with groups of tutorials for React, Ember, Vue. As with other content on MDN, the writing is concise, approachable, patiently explaining the core concepts.
This would be helpful information to recommend to people who are getting started in the churning, chaotic but fertile landscape of JS frameworks.
It sounds like writers at MDN are working on more content like this. I like that they're bringing clarity and understanding, with open-source educational material. The web is better for it.