this keyword is confusing at the best of times. But what if I told you that 99% of the time, five simple rules are all you need to use
this like a pro?
:hover can make a huge impact on user experience, but they haven't composed well with React – until now!
Redux stores and RxJS Observables both have a
subscribe method with a similar signature – but are they really the same thing?
It's been a big year for Frontend Armory – with new lessons, code, videos, a new mission and a new price.
Learn about effects – a declarative approach to interacting with the world outside your app. With live demos, interactive exercises, and fractals.
Custom hooks are like mixins: they're a great way to share stateful and side-effectful functionality between components.
React's eaglerly awaited Concurrent Mode can vastly improve user experience, but it requires a stricter way of writing components.