There are three different phases of React component’s lifecycle:
* Initial Rendering Phase: This is the phase when the component is about to start its life journey and make its way to the DOM.
* Updating Phase: Once the component gets added to the DOM, it can potentially update and re-render only when a prop or state change occurs. That happens only in this phase.
* Unmounting Phase: This is the final phase of a component’s life cycle in which the component is destroyed and removed from the DOM.
In case you are facing any challenges with these React interview questions, please comment on your problems in the section below.
Posted Date:- 2021-09-23 15:35:33
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Can JSX element be attached to other JSX components?
Why do you need to use props.children?
How to redirect to another page in react js?
How to reload the current page in react js?
How to link one page to another page in react js?
What are the rules you should follow for the hooks in React?
Why switch keyword used in React Router v4?
Why do we need a Router in React?
Is it possible for a web browser to read JSX directly?
When do we prefer to use a class component over a function component?
How can you create a component in React?
How to apply validation on props in React?
Why is switch keyword used in React Router v4?
What is the significance of Store in Redux?
How are Actions defined in Redux?
What do you understand by “Single source of truth�
What are the three principles that Redux follows?
Why is it necessary to start component names with a capital letter?
What is the significance of keys in React?
Is it easier to learn React Native after ReactJs?
What are the prerequisites for learning React?
What skills are needed to become a successful React JS Developer?
How many ways can we style the React Component?
What is CSS Module styling in React?
What do you mean by Component Driven Development (CDD)?
Explain the use of the ScrollView component.
Explain the use of Flexbox in React Native?
How do you modularize code in React?
List some of the cases when you should use Refs.
How are Actions defined in Redux?
What do you understand by refs in React?
What are synthetic events in React?
Explain the lifecycle methods of React components in detail.
What are the different phases of React component’s lifecycle?
What are the three fundamental principles of Redux?
What is arrow function in React? How is it used?
“In React, everything is a component.†Explain.
What is the second argument that can optionally be passed to setState and what is its purpose?
What is React.cloneElement? And the difference with this.props.children?