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Discussion on: What are some examples of less obvious web development features/technologies worth learning?

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Dean Radcliffe

RxJS Observables - they're like Promises on steroids. But so that you don't have to climb their steep learning curve, I've written a helper library called polyrhythm that gives you a feel for what they can do in a friendlier coding style. :)

Here's a chat app that works like the one on your phone:

I'll be making a post about that soon, so I'd appreciate a follow if you're interested!