This one for React: https://scrimba.com/learn/learnreact https://scrimba.com/learn/learnreact. Partly because it is great. Partly because it was the first time

This one for React: https://scrimba.com/learn/learnreact https://scrimba.com/learn/learnreact. Partly because it is great. Partly because it was the first time I sat down and did any course in React, rather than hacking stuff together! What makes it great? You are given a development environment in the browser. You pause the lecture to play with the code shown by the speaker in real time. He encourages a lot of deliberate practice.