CARVIEW |
Node.js Debugging and Console Management
Question 1
Which of the following is considered an inefficient and messy way to debug NodeJS applications, especially for complex scenarios?
Using the V8 Inspector
Using
console.log()
Setting breakpoints
Using Chrome DevTools
Question 2
To start the NodeJS debugger using the V8 Inspector for a file named app.js
, what is the correct command to run in the terminal?
node --inspect-brk app.js
node debug app.js
node start --debugger app.js
node --dev-tools app.js
Question 3
What is a key benefit of using a proper debugging tool (like the V8 Inspector) over just console.log()
?
It automatically fixes all bugs in the code.
It offers features like breakpoints and the ability to inspect variables
It is the only way to view output from a NodeJS application
It makes the application run faster during execution
Question 4
What is the primary purpose of the ANSI escape code `\x1b[0m`?
To set the text color to white
To set the text color to black
To highlight the text
To reset the text color to the default
Question 5
Which of the following describes the correct first step for using the 'chalk' library to change console font color?
Install the library via npm
Run `npm start` in the terminal
Call the built-in `console.color()` method
Use the 'require' keyword to import it
Question 6
If you are using the Chalk library to format a string, what is the correct way to import it into your NodeJS file?
`const chalk = require('chalk');`
`import chalk from 'chalk';`
`require('chalk');`
`install chalk from 'npm';`
Question 7
Which of the following data types can be logged to the console using `console.log()` based on the provided information?
Only strings.
Strings, numbers, arrays, and objects.
Only arrays and objects.
Only strings and numbers.
Question 8
Based on the example provided, what would be the output in the console for the code `console.log('Hello Geeks')`?
An error, because strings must be in double quotes.
Hello Geeks`
Hello Geeks
Hello Geeks
Question 9
Which of the following browsers is NOT listed as a supported browser for the `console.log()` method in the provided text?
Microsoft Edge
Google Chrome
Firefox
Internet Explorer
There are 9 questions to complete.