JavaScript remains the world's leading programming language, and with TypeScript now ascending to third most popular, JavaScript is bigger than ever! As a result, there's a bewildering range of tools on offer for JavaScript developers. And just as any durable structure needs a solid foundation, successful JavaScript projects rely heavily on starting with the right tools. This post, the first in our JS Toolbox 2024 series, explores the core pillars of the JavaScript & TypeScript ecosystem: Runtime environments, package management, and development servers.