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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is middleware in Express.js?
💡 Hint: Think about the request-response cycle.
Question 2
Easy
What does next() do in middleware?
💡 Hint: Consider the flow of middleware.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the purpose of middleware in Express.js?
- To handle routes
- To log requests
- To define server settings
💡 Hint: Consider what middleware does in every request cycle.
Question 2
True or False: Middleware can be reused across different routes in an Express.js application.
- True
- False
💡 Hint: Think about keeping code organized.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design and implement a middleware function that restricts access to admin routes based on user roles.
💡 Hint: Think about how user roles are usually defined.
Question 2
Write middleware that handles errors generated during the request processing, responding appropriately to the client.
💡 Hint: Focus on how to structure error responses.
Challenge and get performance evaluation