Master Bun, the fast JavaScript runtime and toolkit. Learn Bun basics, its built-in bundler, package manager, test runner, and native APIs through hands-on exercises. Practice file I/O, HTTP servers, and SQLite with live code execution in your browser.
6 módulos • 13 aulas

Master server-side JavaScript with Node.js through hands-on practice. Learn modules, file system operations, HTTP servers, npm, async patterns, and REST APIs. Build real backend applications with interactive exercises in your browser.

Master bash scripting through hands-on practice. Build on your Linux command line skills to write powerful automation scripts. Learn variables, conditionals, loops, functions, arrays, string manipulation, file processing, and error handling with interactive exercises in your browser.

Master JavaScript and TypeScript testing with Jest. Learn test-driven development, mocking, async testing, React component testing, and best practices through hands-on exercises. Essential skills for professional developers.

Master regular expressions with hands-on exercises. Practice pattern matching from basics to advanced lookaheads with live feedback. Build real-world patterns for email validation, URL parsing, and log analysis.

Master TypeScript with hands-on exercises. Learn types, interfaces, generics, utility types, and advanced patterns with live code execution. Build type-safe applications with instant feedback in your browser.

Dive deep into essential data structures and algorithms, implementing them in JavaScript. Learn arrays, strings, linked lists, stacks, queues, hash tables, trees, graphs, and key algorithmic techniques including recursion, sorting, searching, and dynamic programming.