Built-in modules overview in Node.js - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the built-in 'fs' module in Node.js.

Node.js

const fs = require('[1]');

Drag options to blanks, or click blank then click option'

Afs

Bhttp

Cpath

Dos

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'http' instead of 'fs' to import the file system module.

Forgetting to use quotes around the module name.

The 'fs' module is used for file system operations. To use it, you import it with require('fs').

2fill in blank

medium

Complete the code to create a server using the built-in 'http' module.

Node.js

const http = require('http');
const server = http.[1]((req, res) => {
  res.end('Hello');
});

Drag options to blanks, or click blank then click option'

Alisten

Bget

Crequest

DcreateServer

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'listen' instead of 'createServer' to create the server.

Confusing 'request' or 'get' with server creation.

The 'http' module's method to create a server is 'createServer'.

3fill in blank

hard

Fix the error in the code to read a file asynchronously using the 'fs' module.

Node.js

const fs = require('fs');
fs.readFile('file.txt', '[1]', (err, data) => {
  if (err) throw err;
  console.log(data.toString());
});

Drag options to blanks, or click blank then click option'

Autf8

Bbuffer

Creadable

Dtext

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'buffer' or 'text' which are not valid encoding options.

Omitting the encoding and getting raw buffer data.

The encoding option should be 'utf8' to read the file as a string.

4fill in blank

hard

Fill both blanks to import the 'path' module and join two paths.

Node.js

const [1] = require('[2]');
const fullPath = path.join('folder', 'file.txt');

Drag options to blanks, or click blank then click option'

Apath

Bfs

Dhttp

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'fs' or 'http' instead of 'path' for path operations.

Mismatching variable name and module name.

You import the 'path' module with require('path') and assign it to a variable, usually named 'path'.

5fill in blank

hard

Fill all three blanks to import the 'os' module, get the platform, and print it.

Node.js

const [1] = require('[2]');
const platform = os.[3]();
console.log(platform);

Drag options to blanks, or click blank then click option'

Aos

Cplatform

Dtype

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'type()' instead of 'platform()' to get the OS platform.

Mismatching variable and module names.

Import the 'os' module with require('os'). The method to get the platform is 'platform()'. The variable name is 'os'.