Here, I start at the very beginning so you can get your hands dirty by building a simple React app ...

Then there’s a simple answer: you need to learn how to code with React, the open-source JavaScript library used specifically to build single-page applications interfaces, which is ideal for mobile.

Beyond the usual quick tips, let's look at both the business case and the technical side of keeping React bundles lean.

The cause has been traced down to a dependency used by create-react-app, the latest version of which is breaking developers' apps. While a stable solution is yet to be identified, here's a simple ...