Thách thức mọi câu hỏi phỏng vấn Reactjs dành cho lập trình viên

What is {this.props.children} and when you should use it?

What's the difference between an Element and a Component in React?

What are the different phases of ReactJS component lifecycle?

Why React uses className over class attribute?

What is prop drilling and how can you avoid it?

What is Components Composition in React?

What does shouldComponentUpdate do and why is it important?

How to bind methods or event handlers in JSX callbacks?

What is the difference between ShadowDOM and VirtualDOM?

What are the lifecycle methods of ReactJS class components?

What is the difference between createElement and cloneElement ?

What is the significance of key s in ReactJS?

What's the typical pattern for rendering a list of components from an array in React?

Why we should not update state directly?

What are forward refs ?

What is children prop ?

Why do class methods need to be bound to a class instance?

How would you pass data from child to parent component in React?

Do React Hooks cover all use cases for class components?

What is the point of shouldComponentUpdate() method?

What does Batching mean in ReactJS?

How can I make use of Error Boundaries in functional React components?

How would you prevent a component from rendering in React?

Name the different lifecycle methods for a class components

Are you familiar with Flux in the context of React?

What are Pure Components?

What would be the common mistake of function being called every time the component renders?

What's the difference between useRef and createRef ?

What is StrictMode in React?

What's the typical flow of data like in a React + Redux app?

When would you use useRef ?

What are Stateless components in React?

What are some limitations of things you shouldn't do in the component's render method in React?

What is the difference between HTML and React event handling?

What are Uncontrolled components?

What's wrong with using Context in React?

Which lifecycle methods of class component is replaced by useEffect in functional component?

Compare useState and useReducer implementations

What are Error Boundaries in ReactJS?

What is Key and benefit of using it in lists?

What do these three dots ( ... ) in React do?

What are the advantages of Batching in ReactJS?

What is Lifting State Up in ReactJS?