The useReducer hook in React is a powerful state management hook that is particularly useful for handling complex state logic. It is inspired by the Redux pattern but is much simpler and more integrated into the React component model. The useReducer hook is an alternative to useState and ...
React `useReducer()` hook is a powerful tool for managing states in a more structured and predictable manner. Reducer in React is particularly useful when dealing with complex state logic that involves multiple actions or when you need to pass state and action dispatching functions to child compon...
The useContext hook in React is a powerful tool for simplifying context consumption in functional components. It provides a straightforward way to access context values without the need for a consumer component, streamlining code and improving readability. With useContext, you can manage global state,...
The state is defined in the “ParentComp” using the useState React hook and two functions - “incrementHandler” and “decrementHandler”. Moreover, the state, i.e. “count” is being rendered in the tag along with the “ChildComp”. Now, observe the “ChildComp”. const ChildComp ...
ReactJS is a JavaScript library for building user interfaces with features such as JSX, and virtual DOM for efficient updates and unidirectional data flow.
log('Render: ', child) return ( {child}: {value} ) } export default React.memo(Child) Note: If the component has a useState, useReducer, or useContext Hook, the state or context will still trigger a rerender. To regulate the memo’s typical behavior, which shallowly compares complex...
*Process useContext Hook *Process useReducer Hook *Handle useImperativeHandle Callbacks -> Complete Work *Create Work In Progress Tree *Process Side-Effects *Merge New Fibers with Old Fibers *Check for Interrupted Work *Update Memoized State and Props ...