It's becoming more difficult to choose the correct technology for creating an app or a website. These days, the trend in the market is react. React is currently the most popular front-end technology, with more and more businesses adopting it. Being a React.js expert is one thing, but getting through a React.js interview is quite another.
In this article, We are going to list some of the most important ReactJS Interview Questions in 2023 which will set you apart in the interview process.
We are going to understand the fundamentals and building blocks of React by answering the most frequently asked interview questions.
ary. React is a tool for building UI comp-
React to describe what the UI should look
A virtual DOM object has the same properties as a real DOM object, but it lacks the real thing's power to directly change what's on the screen.Read More
The state is an instance of React Component Class can be defined as an object of a set of observable properties that control the
It is an object which stores the value of attributes of a tag and work similar to the
Hooks are functions that let you “hook into” React state and lifecycle features from function components.Read More
Each component in React has a lifecycle
which you can monitor and manipulate
during its three main phases.
Splice() is used to add or remove an element
This guide will demonstrate how to correctly fetch data from a JSON file in your React app and consume it on the frontendRead More
Flux solves state management difficulty with a unidirectional data flow pattern.Read More
The bread and butter of most modern ReactJS web projects are React class-based components.Read More
React fragments are a simple yet beautiful feature that was introduced with the release
A key is a one-of-a-kind identifier. It's used in React to figure out which items in the Lists have changed, been updated, or been removed.Read More
React refs are similar to keys in that they can be introduced as an attribute to an element.Read More