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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What command is used to check the installed version of Node.js?
💡 Hint: Look for a command that gives information about the version.
Question 2
Easy
What is the purpose of the console.log function?
💡 Hint: Think about how you share information in your program.
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 does node hello.js do?
- It creates a new file
- It runs the JavaScript program
- It installs Node.js
💡 Hint: Think about what happens when you want to execute a program.
Question 2
True or False: console.log can only be used to display error messages.
- True
- False
💡 Hint: Consider what kind of information you can log.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a program that accepts the user's name as a command-line argument and greets them. What should the code look like?
💡 Hint: Recall how to access command line arguments in a Node.js program.
Question 2
Imagine your hello.js returns an error. Describe how you would identify the problem and fix it.
💡 Hint: Consider where error messages typically occur in Node.js execution.
Challenge and get performance evaluation