React Complete Tutorial 2023 | Part #1 - Introduction to React JS | Web Dev | JavaScript | @SCALER

React.js, often known as React, is a popular open-source JavaScript library used to create user interfaces (UIs) for web applications. Here's Jasbir Singh (SWE & Instructor, SCALER) teaching you the basics of React. Check out free masterclasses by industry-leading experts here: https://www.scaler.com/events?utm_source=Youtube&utm_medium=osocial&utm_campaign=brand_scaler_events_osocial_youtube_react-introduction-by-jasbir-singh&utm_content=YTDescription

What is React.js?
React.js, commonly referred to as React, is a popular open-source JavaScript library for building user interfaces (UIs) in web applications. It was developed by Facebook and is widely used by developers to create interactive and dynamic UI components.
React follows a component-based architecture, where the UI is divided into reusable and modular components. Each component represents a part of the user interface and can have its own state and behaviour. React efficiently updates and renders only the necessary components when there are changes, resulting in improved performance.

What is Web Development?
Web development refers to the process of creating and maintaining websites and web applications. It involves various aspects, including web design, front-end development, back-end development, server-side scripting, and database management. Web developers use programming languages, such as HTML, CSS, JavaScript, PHP, and others, to build and deploy websites that are functional, user-friendly, and accessible on different devices and platforms.

Who is a Web Developer?
A web developer is a skilled professional who builds and maintains websites. They use programming languages and tools to create functional and visually appealing websites that meet client requirements.

What is Full Stack Web Development?
Full-stack web development refers to the practice of working with both the frontend and backend components of a website. Full-stack developers have the skills to handle server-side programming, database management, and front-end development, making them versatile in building complete web applications.

What is Frontend Development?
Frontend development focuses on the client side of a website, dealing with the user interface and user experience. Frontend developers use HTML, CSS, and JavaScript to create visually engaging and interactive websites that users can easily navigate and interact with.

What is Backend Development?
Backend development involves server-side programming and database management that powers a website. Backend developers work behind the scenes to ensure data is processed, stored, and retrieved efficiently, supporting the functionality of the website’s front end.

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Topics Covered:

0:00 - Introduction and Structure of this Course
34:17 - Basics of JavaScript for React Development
45:03 - Arrays in JavaScript
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