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This book is a practical, technically rigorous guide to the modern JavaScript and TypeScript development ecosystem as it exists in 2026. It covers everything from package management and transpilation to bundling, testing, linting, deployment, and security. Each tool is explained not just in terms of how to use it but why it exists, what problems it solves, when to choose it over alternatives, and how it fits into an end-to-end production workflow. The content is organized as a progressive learning journey from fundamentals through professional-grade development practices, with complete code examples, configuration walkthroughs, comparison tables, and real-world project scenarios. Whether you are starting fresh or modernizing existing projects, this book gives you the knowledge to design, build, test, optimize, publish, and deploy production-quality JavaScript applications in 2026.

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Kick off your book project, get started with GhostAI, get better at marketing, or spend the day doing all three! Free live workshops on Zoom. Saturday, June 27, 2026.

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