Response methods and status codes in Node.js - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to send a 200 OK status with a JSON message.

Node.js

res.status([1]).json({ message: 'Success' });

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

A500

B404

C301

D200

Attempts:

3 left

💡 Hint

Common Mistakes

Using 404 or 500 which indicate errors instead of success.

Forgetting to set the status code before sending JSON.

The status(200) sets the HTTP status code to 200, which means OK. Then json() sends the JSON response.

2fill in blank

medium

Complete the code to send a 404 Not Found status with a plain text message.

Node.js

res.status([1]).send('Page not found');

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

A500

B200

C404

D403

Attempts:

3 left

💡 Hint

Common Mistakes

Using 200 which means success instead of 404.

Using json() instead of send() for plain text.

The status(404) sets the HTTP status code to 404, meaning the requested resource was not found.

3fill in blank

hard

Fix the error in the code to correctly send a 201 Created status with JSON data.

Node.js

res.[1](201).json({ id: 123, message: 'Created' });

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

Astatus

Bsend

Cjson

Dwrite

Attempts:

3 left

💡 Hint

Common Mistakes

Using send() instead of status() to set status code.

Not chaining json() after status().

The status() method sets the HTTP status code. Then json() sends the JSON response. Using send() or write() alone won't set the status code properly.

4fill in blank

hard

Fill both blanks to send a 500 Internal Server Error with a JSON error message.

Node.js

res.[1]([2]).json({ error: 'Server error' });

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

Astatus

Bsend

C500

D404

Attempts:

3 left

💡 Hint

Common Mistakes

Using send instead of status to set status code.

Using 404 instead of 500 for server errors.

Use status(500) to set the HTTP status code to Internal Server Error, then send JSON with json().

5fill in blank

hard

Fill all three blanks to send a 302 redirect to '/login' with a plain text message.

Node.js

res.[1]([2]).[3]('Redirecting to login');

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

Astatus

B302

Csend

Djson

Attempts:

3 left

💡 Hint

Common Mistakes

Using json() instead of send() for plain text.

Using wrong status code like 200 or 404.

Use status(302) to set the redirect status, then send() to send the plain text message.