# ❤️Short Tour to react❤️

# ReatsJs  **or**   React  **or**  React.js

> These are the name used by different people to introduce react we can call anything out of these this 3 names all give an equal meaning.

#  Is React is Library or framework?

>  React is a JavaScript Library for building User Interfaces (UI is A point of Human Interaction and communication.) 

![image.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1666023160722/uO_uJK6D7.png align="left")

# History of React?
**React is Open source JavaScript Library, created by JORDAN WALKE**(Software Engineer At Facebook), Primarily we can conclude its React.js is developed and maintained by Facebook, and released in the year of 2013.

# Beauty of React❤️.
1. Component Based approach.
> When I say component, it means a different section or part of the webpage, let us understand With an image.

![image.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1666024062076/lm7nLFbCM.png align="left")

2. DOM updates are handled gracefully.
> How it's handled Dom updates gracefully due to the Concept of virtual Dom. (Dom in the memory of the Brower)
3. Reusable code.
> As we have the components in the form of class-based or in function-based, we will develop the components once and reuse them as many times as we want.
4. SPA(Single Page Application)
> It is very important to understand what a spa is, lets' take the example of YouTube, Whenever we navigate into the different option on YouTube it never redirects to the new page its use a single page it's just manipulating the Dom.
5. React is designed for Speed.
> Speed of implementing the application simplicity and scalability.

# Guide To Creating the First React.js App

1. install Node in our System
https://nodejs.org/en/download/
2. verify the version of the node and Npm in Your Terminal.
 - Node -version
 - npm  -version
 > npm is a  node package  manager, (Simple it contains some prewritten code that we can use in our app)
3. npx create-react-app (Your App Name).
  > npx (node package executor), it will not install the package in the local machine it executes the command in the server and brings the package which is needed for developing a react app.

** Thank You for Reading this Article, Hope You Find it Helpful❤️**