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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a URL parameter look like in an Express route?
💡 Hint: Look for the colon in the route path.
Question 2
Easy
Write an Express route that captures a productId from the URL.
💡 Hint: Use a similar structure to the user example.
Practice 1 more question and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What are URL parameters used for in Express.js?
- To serve static files
- To capture dynamic values
- To handle errors
💡 Hint: Think about their purpose in creating routes.
Question 2
In req.params, how do you access the value of :username in the route /user/:username?
💡 Hint: Remember how you defined the parameter.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create an Express route that returns the user's favorite color when accessed by /color/:colorName. Write the complete handler.
💡 Hint: Consider how to structure the response.
Question 2
Modify the previous route to handle a situation where the color is not specified by sending a default message if colorName is not provided.
💡 Hint: Look for ways to provide a fallback default value.
Challenge and get performance evaluation