JavaScript is a lightweight, interpreted programming language primarily used to create interactive effects within web browsers. It has evolved into a versatile language that can be used on both the client and server side.
Use Cases: Web development (front-end and back-end), mobile applications, server-side scripting (Node.js), game development.
Key Features:
Integration with HTML/CSS
Event-driven programming
Asynchronous processing with Promises and async/await
Extensive libraries and frameworks (React, Angular, Vue.js)