Debugging Node.js

This video tutorial covers debugging strategies and tools for Node.js applications. It explains the types of errors encountered, such as explicit and logic errors, and how to use console.log for basic debugging. The tutorial introduces the Node debugger, which integrates with Chrome DevTools, providing a GUI for more advanced debugging. It guides viewers through setting up and using Chrome DevTools to inspect and debug Node.js applications effectively.

What are the two types of errors commonly encountered in Node.js applications?

• Memory leaks and performance issues

• Network errors and database errors

• Explicit errors and logic errors

• Syntax errors and runtime errors

What is a common misconception about using console.log for debugging?

• It can only be used in production environments

• It is the only way to debug

• It should never be used for debugging

• It is the most advanced debugging tool

What is a limitation of using console.log for debugging?

• It automatically fixes errors

• It only works in Chrome

• It requires manual removal of logs

• It cannot print variable values

What is the primary advantage of using the Node.js debugger over console.log?

• It works in all browsers

• It requires no setup

• It provides a graphical interface

• It automatically fixes errors

Which browser is recommended for using the Node.js debugger?

• Edge

• Chrome

• Safari

• Firefox

What is the purpose of the 'inspect' command in Node.js debugging?

• To compile the code

• To optimize performance

• To deploy the application

• To start the debugger

What is the function of the 'Sources' tab in Chrome Developer Tools?

• To edit HTML documents

• To view network requests

• To debug JavaScript code

• To manage cookies

How can you toggle the console in Chrome Developer Tools while debugging?

• By pressing the Escape key

• By clicking the 'Console' tab

• By using the 'View' menu

• By restarting the browser

What does the call stack in the debugger indicate?

• The order of function calls

• The list of variables

• The network status

• The memory usage

What should you do after finishing debugging with the Node.js debugger?

• Leave the debugger statement in the code

• Remove the debugger statement

• Uninstall Node.js

• Restart the computer