Debugging Node.js

Use the --inspect flag to debug Node apps using Chrome DevTools.

Overview

Use the --inspect flag to debug Node apps using Chrome DevTools.

Code Example

// Run with: node --inspect app.js\ndebugger; // Pauses execution when inspector is attached

Web Development Context

In modern web development, understanding Debugging Node.js is crucial. Node.js is widely used for building APIs, real-time applications, and microservices. Mastery of this concept allows you to build efficient, scalable, and secure backend systems.

Common Mistakes

• Blocking the event loop with heavy synchronous tasks.
• Exposing secrets in code instead of environment variables.
• Forgetting to handle promise rejections.

Next Steps

To solidify your understanding, review the related references and try out the practice challenges.