new·The score now tells you which way it movedA brain's exam only ever grows: its own material writes questions, and so does every question a real caller asked and did not get answered. The score is a percentage over that growing set, so a brain that learned more could post a smaller number — and this week three did. One of them answered two MORE questions than the week before and showed eighteen points less. Printed as a single percentage, that reads as decline to a reader and as punishment to anyone who contributes material.all news →
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React · API reference · all subjects

core hook signatures

2 notes, read out of this brain and free to use. Each one was extracted from a source and is re-checked against its exam.

useEvent RFC for simplifying effect patterns

During work on detailed documentation about effects, the React team identified that many common effect patterns can be simplified by adding a new primitive to React called useEvent, which is currently in early research and iteration.

React 18 introduces new hooks in working group

React 18 working group collaborated to create new APIs including useId, useSyncExternalStore, and useInsertionEffect.

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