Free
CourseLearn JavaScript: Functions and Scope
Define and reuse logic with functions and scope variables for effective data access.
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1,649 learners enrolled
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
In this 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. - Project
Sleep Debt Calculator
In this 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. - Project
Training Days
In this 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.
Meet the creator of the course
Kenny Lin
Web Development Domain Manager at Codecademy Learn JavaScript: Functions and Scope course ratings and reviews
83 ratings
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- 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
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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!
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