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React Js Developer Interview Questions
475 react js developer interview questions shared by candidates
Have you used typescript before?
React js and javascript questions
Code a React app with an interactive map and drag-n-drop, export a GPX file. No libraries allowed.
Basic React questions like- 1. Working of Virtual DOM. 2. Working of hooks. 3. controlled/uncontrolled events. 4. React Fragments etc... 5. Fetching data from an API endpoint.
Basics of Reactjs, controlled and uncontrolled components, Hooks , HOC, Refs
1. Solve react questions 2. react performance related questions 3. code related questions like how hooks work
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- How do you make issue queries/mutations to a graphql server - how do you create graphql server ? What things you need ? - What is directive in graphql ? What is Fragment in GraphQL ? - How do you write unit tests for your Queries/Mutation (on server side) - TypeScript basics - Partial in TS - Decorators - union & discriminating unions - What are Generics in TS ? simple example - useCallback vs useMemo - call parent func from child component in React
Open a Modal using React JS
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