How to master JavaScript debugging for web apps

Mastering JavaScript debugging is crucial as web applications grow in complexity, especially when dealing with minified code optimized for performance but challenging to debug. This article highlights the importance of understanding how code functions to enhance user experience and introduces tools like source maps and Chrome DevTools to simplify debugging minified code. By using a simple app example, it demonstrates how source maps can help trace minified code back to its original form, making error identification easier. The article further explores various debugging techniques such as using breakpoints, stepping through code, and employing the call stack, watch expressions, and debugging code snippets to efficiently identify and resolve issues. These methods facilitate a more streamlined debugging process, ensuring that developers can optimize and maintain complex applications effectively, even when their codebase is obscured by minification.