Practice What Is Express.js? (4.3) - Building a Server with Node.js and Express
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What is Express.js?

Practice - What is Express.js?

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the primary purpose of Express.js?

💡 Hint: Think about what features Express adds to Node.

Question 2 Easy

Name one HTTP method used in routing.

💡 Hint: Consider common actions performed on web servers.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is Express.js primarily used for?

Frontend development
Server-side development
Database management

💡 Hint: Think about where Express fits in web development.

Question 2

True or False: Middleware can stop the request from reaching the route handler.

True
False

💡 Hint: What happens if a request is invalid?

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create an Express.js server that responds differently based on URL routes, handling at least 3 different routes with different HTTP methods.

💡 Hint: Use app.get() and app.post() to define your routes.

Challenge 2 Hard

Write middleware that checks for an API key in the request headers and rejects the request if it’s missing or incorrect.

💡 Hint: Think about where you would check the headers in the request.

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Reference links

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