Freaks City

In Next.js, if you want to call methods defined within a component from outside, you can use React's useRef hook to reference the component instance and invoke its methods. This approach is primarily used with class components but can also be applied to functional components by exposing methods on the ref object. Here is an example demonstratin ...

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 ...