While you can pick up the very basics of JavaScript in a day, becoming truly good at it takes much longer. Think of it like ...

ff: Concise, Powerful Asynchronous JavaScript Flow Control ff simplifies the most common use cases for series, parallel, and promise utilities.

🌀 Asynchronous control flow library for now and then. Iterate over promises, promise-returning or async/await functions in series or parallel. Works on node 0.10 if you give it a Promise. Pronounced ...

Asynchronous programming in JavaScript leverages features like callbacks, promises and async/await to sidestep this issue by allowing other code to run in the meantime.

JavaScript’s async and await functions make for readable and maintainable asynchronous code. Just watch out for their downsides.