What is Package Managers?

Package managers like npm (Node Package Manager) and yarn help manage third-party libraries and dependencies in JavaScript projects. They handle installation, versioning, and script execution.

Why is it Important?

Modern JavaScript development relies heavily on external packages. Understanding how to find, install, update, and manage dependencies is crucial. Knowing about semantic versioning and lock files prevents dependency issues.

What to Learn

• npm/yarn basic commands
• package.json structure
• Semantic versioning
• Lock files and deterministic installs
• npm scripts
• Publishing packages

Career Relevance

Package management is a daily activity for frontend developers. Understanding npm is essential for working with modern JavaScript tooling and frameworks.