Interview

Functional programming in JavaScript emphasizes immutability, utilizing pure functions, and leveraging higher-order functions like map, filter, and reduce for concise and declarative code.

Discover essential JavaScript performance optimization techniques, covering minification, lazy loading, debouncing, and code splitting for efficient web development.

Browser APIs in JavaScript provide functionalities like storing data locally, making HTTP requests, managing browsing history, and accessing device location, enhancing web applications with interactive features and improved user experiences.

ES6+ introduces powerful features like destructuring, spread/rest operators, template literals, default parameters, and Sets/Maps, enhancing JavaScript's flexibility and expressiveness for modern development needs. These additions streamline coding, enabling concise syntax and improved data manipulation and organization.

CommonJS, synchronous and prevalent in Node.js, uses module.exports for exporting and require() for importing. ES6 Modules, asynchronous and native to modern browsers, employ export for exporting and import for importing, offering better performance and flexibility for web development.