Practice Explanation Of The Code (4.5.2) - Building a Server with Node.js and Express
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Explanation of the Code

Practice - Explanation of the Code

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What command is used to import the Express library?

💡 Hint: Recall the line we used to include Express.

Question 2 Easy

What is the purpose of defining a port?

💡 Hint: Think about how clients need to reach the server.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the line const express = require('express'); do?

Imports Express in the application
Starts the server
Defines a port

💡 Hint: Think about how we access libraries in JavaScript.

Question 2

True or False: The app.listen() method is used to define the routes of the server.

True
False

💡 Hint: Consider what we discussed in the usage of that method.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Modify the provided code to add a '/greet/:name' route that greets the user by their name.

💡 Hint: Remember how we defined other routes for the home and about pages.

Challenge 2 Hard

If you wanted to serve an HTML file instead of just a string in a response, how would you modify the '/html' route?

💡 Hint: Think about the difference between sending simple text and serving a file.

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Reference links

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