Free
CourseLearn JavaScript: Functions and Scope
Define and reuse logic with functions and scope variables for effective data access.
Skill level
BeginnerTime to complete
Approx. 4 hoursCertificate of completion
Included with paid plansPrerequisites
None
About this course
Continue your JavaScript learning journey with Learn JavaScript: Functions and Scope. Define and reuse logic with functions and scope variables for effective data access to build the foundation for complex JavaScript programs.
Syllabus
2 lessons • 3 projects • 2 quizzesThe platform
Hands-on learning
Don’t just watch or read about someone else coding — write your own code live in our online, interactive platform. You’ll even get AI-driven recommendations on what you need to review to help keep you on track.
Projects in this course
- Project
Rock, Paper, or Scissors
It's time to build fluency in JavaScript fundamentals. In this next Pro Project, we're going to practice conditionals in JavaScript so you can hone your skills and feel confident taking them to the real world. Why? Given a certain input you want to return a certain output. If this than that. What's next? Games, conditionals, more JavaScript. You got this! - Project
Sleep Debt Calculator
It's time to build fluency in JavaScript fundamentals. In this next Pro Project, we're going to practice functions in JavaScript so you can hone your skills and feel confident taking them to the real world. Why? Functions help us build separation of concerns so our code isn't one long function. What's next? Calculators, sleep awareness, more JavaScript. You got this! - Project
Training Days
It's time to build fluency in JavaScript functions. In this next Pro Project, we're going to practice scope in JavaScript so you can hone your skills and feel confident taking them to the real world. Why? Scope determines the visiblity of variables and other resources in your code. What's next? Marathon running, error solving, more JavaScript. You got this!
Reviews from learners
- The progress I have made since starting to use codecademy is immense! I can study for short periods or long periods at my own convenience - mostly late in the evenings.ChrisCodecademy Learner @ USA
- I felt like I learned months in a week. I love how Codecademy uses learning by practice and gives great challenges to help the learner to understand a new concept and subject.RodrigoCodecademy Learner @ UK
- Brilliant learning experience. Very interactive. Literally a game changer if you're learning on your own.John-AndrewCodecademy Learner @ USA
Our learners work at
Unlock additional features with a paid plan
Practice projects
Guided projects that help you solidify the skills and concepts you're learning.Assessments
Auto-graded quizzes and immediate feedback help you reinforce your skills as you learn.Certificate of completion
Earn a document to prove you've completed a course or path that you can share with your network.Join over 50 million learners and start Learn JavaScript: Functions and Scope today!
Start