Namespaces for separation in Express - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a new router instance in Express.

Express

const router = require('express').[1]();

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

Alisten

Broute

Capp

DRouter

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'route' instead of 'Router' causes an error.

Using 'app' is for the main app, not routers.

The Router function creates a new router instance for grouping routes.

2fill in blank

medium

Complete the code to mount the router under the '/api' namespace.

Express

app.[1]('/api', router);

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Ause

Bget

Cpost

Dlisten

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'get' or 'post' only handles those HTTP methods.

Using 'listen' is for starting the server.

The use method mounts middleware or routers at a path prefix.

3fill in blank

hard

Fix the error in the router code to define a GET route at '/' inside the router.

Express

router.[1]('/', (req, res) => { res.send('Hello from API'); });

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

Aget

Buse

Cpost

Dlisten

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'post' handles POST requests, not GET.

Using 'use' is for middleware, not specific HTTP methods.

The get method defines a handler for GET requests on the router.

4fill in blank

hard

Fill both blanks to create a router and export it for use in the main app.

Express

const [1] = require('express').Router();
module.exports = [2];

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Arouter

Bapp

Cserver

Dexpress

Attempts:

3 left

💡 Hint

Common Mistakes

Exporting 'app' instead of 'router' causes errors.

Using 'express' as the export is incorrect.

We create a router named router and export it with the same name.

5fill in blank

hard

Fill all three blanks to define a namespaced route that responds with JSON.

Express

const [1] = require('express').Router();

[1].[2]('/status', (req, res) => {
  res.[3]({ message: 'API is running' });
});

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

Arouter

Bget

Cjson

Dsend

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'send' instead of 'json' sends plain text.

Using 'post' instead of 'get' changes the HTTP method.

Create a router named router, define a GET route, and respond with JSON using json().