Practice Comments (3.1) - JavaScript for the Front End - Full Stack Web Development Basics
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Comments

Practice - Comments

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What symbol do you use for single-line comments in JavaScript?

💡 Hint: Think about what appears before your comment.

Question 2 Easy

Write a simple single-line comment for a variable named age.

💡 Hint: Start with `//` followed by a description.

3 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the correct syntax for a single-line comment in JavaScript?

# This is a comment
// This is a comment
/* This is a comment */

💡 Hint: Remember the symbol that indicates a comment.

Question 2

True or False: Multi-line comments can be nested inside each other.

True
False

💡 Hint: Consider how comments close the block.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

You have a block of code that processes user input. Write useful comments for each part of the logic.

💡 Hint: Break it down step by step and make it clear.

Challenge 2 Hard

Consider a long function in your script. What strategies will you use to write effective comments and maintain readability?

💡 Hint: Think about how you can give insight without cluttering the code.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.