The One Mental Model That Makes RxJS Finally Make Sense

RxJS has earned a reputation for being bewildering, with developers either loving it or abandoning it entirely. This article cuts through the confusion by presenting a simple but powerful insight: Observables are essentially arrays that deliver values over time rather than all at once. Once developers grasp this mental model, RxJS operators like map, filter, scan, and mergeMap become intuitive, making reactive programming far more accessible for modern JavaScript development.