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Node.js Backend Development Bootcamp · Lesson

Effective Debugging Techniques

Utilize Node.js built-in debugger and IDE tools to efficiently identify and resolve bugs in your applications.

What is Debugging?

Bugs are a natural part of programming. Debugging is the process of finding and fixing these errors in your code.

It's a crucial skill for any developer, helping you understand how your code behaves and resolve issues efficiently.

Common Error Types

Errors in code typically fall into a few categories:

  • Syntax Errors: Typos or incorrect grammar (e.g., missing a parenthesis). Your code won't run.
  • Runtime Errors: Happen when the program is running (e.g., trying to access a property of an undefined variable).
  • Logical Errors: The code runs without crashing, but it doesn't do what you intended (e.g., an incorrect calculation).

All lessons in this course

  1. Unit Testing with Jest
  2. Integration Testing API Endpoints
  3. Effective Debugging Techniques
  4. Mocking & Test Doubles in Node.js
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