What are the three principles that Redux follows ?
Redux is one of the most trending libraries for front-end development in today’s marketplace. There are three principles in redux: Single source of truth State is read-only Changes are made with…
Month: March 2022
20 posts
What is the difference between React Native and React ?
ReactJS React Native In 2013 ReactJS initial was released. In 2015 React Native was released. ReactJS is used for…
What is Prop Drilling ?
We pass a prop with another component with the help of all the components that come between, this method is known as prop drilling. Prop drilling is basically a situation…
What is Arrow function in React ? How is it used ?
They are more of a brief syntax for writing the function expression. It is also known as ‘fat arrow ‘(=>) the functions. This keyword represented the object that called the…
What is a ref ? How do you use it ?
It is a function provided by React to access the DOM element and the React element that you might have created on your own. In React, a ref is a…
What are the types of React component ?
It is one of the core building blocks of React. In React we develop every application and it will be made of pieces, that is known as component. Components make…
What is React DOM ?
It is an object which exposes a number of top level APIs to interact with the browser DOM. It provides DOM-specific methods that can be used at the top level…
What is React Router ?
The standard library used for routing in React refers to React Router. In react, it permits us to build a single-page web application with navigation without even refreshing the page…
How to write comments in ReactJS ?
ReactJS is a JS library used for building user interfaces. It is Declarative, Component-based and Technology stack agnostic. It is only designed for speed, simplicity, and scalability. It is some of…
What is Flux ?
It is an application architecture that Facebook makes use of internally for constructing the client-side web application with React . It is a programming concept, where the data is a…
What is virtual DOM ?
It is a lightweight JS object which is an in-memory representation of real DOM. It is a programming concept where an ideal, or “virtual”, representation of a UI is kept in memory…
Why we use React instead of other frameworks, like Angular ?
In front-end JavaScript framework and library open source, most of the web developers, would agree upon the fact that both Angular and React. Since Angular arrived much in advance in…
What is State and Props ?
State: It is an updatable structure that is used to contain data or information about the component and can change over time. State Can be modified using this.setState. State can be…
What is Redux ?
Redux is an open-source JS library used to manage application state. React makes use of Redux for constructing the user interface. Dan Abramov and Andrew Clark introduced this in 2015. The official…
What is React Hooks ?
Hooks are the new feature added in the React 16.8 It lets you use state and different React functions without writing a class. React concepts does not replace your knowledge.…
Difference between class component and functional component
Class component Functional component Class-based Components uses ES6 class syntax. Functional Components are simpler comparing to class-based functions. The lifecycle methods can be used. Functional Components…
What is JSX ?
JSX is known as JavaScript XML. This file makes the React application robust. Boosts its performance. We can write HTML structures in the same file that contains JavaScript code,while using…
What is the difference between element and component ?
Element Component It is an object describing what you would like to project on the screen in terms of the DOM nodes or other components. It is a…
What is the purpose of using super constructor with props argument ?
This method has been known as, a child class constructor cannot create use of this reference until super() . The same applies for ES6 sub-classes as well. The main reason…
What is React ?
• It is a front-end JS library developed by Facebook in 2011. • It was created by Jordan Walke. • It is quite the buzzword in the industry these days.…
