Understanding React Hooks: State, Effects, and Performance Optimization
State Snapshot in Event Handlers
In React, useState provides a mechanism to "remember" values across renders, but it does not make state "instant". When you call setIndex inside an event handler, the state update is not applied immediately. Instead, React queues the update and uses the current snapshot of state for the curre ...
Posted on Wed, 10 Jun 2026 17:59:08 +0000 by b