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React Jobs
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Master React Interviews

Practice with our comprehensive collection of React interview questions. From fundamentals to advanced patterns, we've got you covered.

69
Total Questions
32
Beginner
29
Intermediate
8
Advanced

🎯Difficulty Level

📁Categories

Showing 69 of 69 questions

🌱Beginner
👁️ 30

What are the advantages of using React?

React ComponentsFundamentals
#react#advantages#virtual-dom+3

Component Reusability Build self-contained UI pieces you can assemble like Lego blocks. Reduces duplication of code and speeds up development across l...

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🌱Beginner
👁️ 12

What are keys in React?

React Fundamentals
#react#beginner

Improve Performance ⚡ Keys allow React to diff* elements faster by comparing keys between old and new virtual DOM trees. Without keys, React re-render...

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🚀Intermediate
👁️ 0

Can React Hook replaces Redux?

React Hooks
#react#component#hook+4

The React Hook cannot be considered as a replacement for Redux (It is an open-source, JavaScript library useful in managing the application state) whe...

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🚀Intermediate
👁️ 0

How does the performance of using Hooks will differ in comparison with the classes?

React Hooks
#react#component#hook+3

React Hooks will avoid a lot of overheads such as the instance creation, binding of events, etc., that are present with classes. Hooks in React will r...

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🚀Intermediate
👁️ 0

Explain about types of Hooks in React.

React Hooks
#react#hook#intermediate

There are two types of Hooks in React. They are:

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🚀Intermediate
👁️ 0

Does React Hook work with static typing?

React Hooks
#react#hook#intermediate

Static typing refers to the process of code check during the time of compilation for ensuring all variables will be statically typed. React Hooks are ...

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🚀Intermediate
👁️ 0

How to pass data between react components?

React Components
#react#component#state+3

Parent Component to Child Component (using props) With the help of props, we can send data from a parent to a child component. How do we do this? Cons...

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🌱Beginner
👁️ 28👍 1

What is useState() in React?

React Hooks
#react#component#hook+5

Stateful Value & Setter When you call const [value, setValue] = useState(initial), React keeps track of value across renders. Calling setValue(newValu...

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🚀Intermediate
👁️ 2

How to create a switching component for displaying different pages?

React Components
#component#props#intermediate

State‐Driven View Selection 🎛️ The component holds a piece of state (e.g. activePage) that indicates which child component to show. Updating that sta...

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🌱Beginner
👁️ 6

What is React Hooks?

React Hooks
#react#component#hook+5

Stateful Logic in Functions 🧠 Hooks like useState and useReducer allow you to manage component state directly in functions. No need for this.state or...

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🌱Beginner
👁️ 0

Why do React Hooks make use of refs?

React Hooks
#react#component#hook+3

Keep Values Between Renders ⏳ Sometimes you need to remember a value (like a timer ID or previous prop) but don’t want the component to update its UI ...

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🌱Beginner
👁️ 2

What are Custom Hooks?

React Hooks
#react#component#hook+3

Encapsulate Logic 🧩 Move related Hook calls (state, effects, context) into one function. Keeps components clean by extracting complex or repetitive l...

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React Jobs

Find the best React developer jobs from top companies. Apply directly and get hired faster.

Quick Links

  • Browse Jobs
  • Interview Prep

Company

  • Privacy Policy
  • Terms of Service

© 2024 React Jobs. All rights reserved.

Made with ❤️ for React developers