React question book everyone should know

#Hooks — use state, use effects, use context , use reducer, use memo, use callback, use ref.

above are the most imp hooks one should know, apart from these there are more hooks which we will learn in future.

#higher order components — what, why and how?, when?

#life cycle method of components — call components

3 phases of life cycle method — 1. mounting, 2. updating, 3. unmounting

# state management (all about data) — state/props, prop drilling, context,

# redux/ zustand — how, why ,when?

# redux toolkit(RTK)

# custom hooks- when to use . write code for custom hooks. eg for this

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# lazy loading- code splitting, chunking,suspense — very imp topic

#virtual DOM — recocilaition, react fiber, diff algorithm, how render works

#SSR vs CSR(HOT ques) — difference bw both, SEO ,

#Routing(RBAC) — REACT router, protected router, query param handling, dynamic routing

#Testing — what would you use for testing,

#async Task — api calls, events, promises, callback hell, setTimer, setinterval

#reusablility, modularity, testability

#performnace *- lazy loading, assest optimization,server optimization, blundler, write code in optimize way,rendering of componenets.

#styling — tailwind, styleX(by facebook),bootstrap, material UI, ant UI, basic css/sccs — pro and cons of everything

# accessibility, security