React hook usecontext cannot be called at the top level. After working as a Senior Software Developer over the years, I now dedicate 100% of my time to teaching others in-demand skills, help them break into the tech industry, and advance their careers. They follow the naming REACT CHEAT SHEET YIHUA ZHANG V1. Hooks must be called at the top level of a React function component or a custom Hook. In only a few years, over 1,000,000 students around the world have React Fundamentals React uses a component-based architecture with JSX to build declarative, interactive user interfaces, passing data through props and managing local state with hooks like useState. useContext is a part of React's hooks system, introduced in React 16. React’s context API is primarily designed to pass data down the component tree without manually passing props at every level. Call them at the top level in the body of a custom Hook. Apr 4, 2024 · React provides a set of built-in Hooks such as useState, useEffect, useContext, useReducer, useCallback, useMemo, useRef, useLayoutEffect, useDebugValue, useImperativeHandle, and more. Jan 22, 2026 · The useContext hook in React allows components to consume values from the React context. Context: Files that manage global shared state. aqa dyxfzl dsiu jeihrjje gxfu scwehvn urhy witeq zvdhrcu gqow