IT Engineer Trainee Interview Questions and Answers for Freshers

HTML, CSS, and JavaScript are essential web development technologies used to create and style websites.

• HTML (HyperText Markup Language) is used for creating the structure and content of web pages.

• CSS (Cascading Style Sheets) is used for styling the appearance of web pages.

• JavaScript is a programming language used for adding interactivity and dynamic elements to web pages.

React JS is a JavaScript library for building user interfaces.

• React JS allows developers to create reusable UI components.

• It uses a virtual DOM for better performance.

• React JS follows a unidirectional data flow.

• It is maintained by Facebook and a community of developers.

• Example: ReactDOM.render(, document.getElementById('root'));