What is the difference between Zepto and jQuery 2?

Question

There are those two similar projects:

Zepto.js

Zepto is a minimalist JavaScript library for modern browsers with a largely jQuery-compatible API

Answer 1

Zepto lacks the deferred/promise API that jQuery features. There is an add-on, Simply Deferred, which remedies this: https://github.com/sudhirj/simply-deferred .