Explore the Bun.js JavaScript runtime, bundler, and toolkit in this comprehensive 40-minute video tutorial. Learn how to set up Bun and dive into its key features, including Bun.serve(), watch mode, hot reload, environment variables, and Bun scripts. Discover how to create simple routes, use the 'bun x' command, work with Node core modules, and utilize the File I/O API. Gain insights into testing capabilities, bundling techniques, and building with Bun. Explore React and JSX integration, and conclude with a solid understanding of this powerful JavaScript toolkit. Perfect for developers looking to enhance their JavaScript development workflow and leverage Bun's performance advantages.