How React Works (Part 1)?Motivation Behind React Fiber: Time Slicing & Suspense

Motivation Behind React Fiber: Time Slicing & Suspense Series: How React Works Under the Hood Level: Intermediate to Advanced Prerequisites: Basic React knowledge. Bonus: if you've read How JavaScript Works — you'll feel right at home. Introduction You've used React. You've felt that lag — the input that stutters, the page that freezes for half a second, the animation that just doesn't feel right. But have you ever wondered why React had to completely rewrite its entire internal engine just