Free
CourseLearn JavaScript: Functions and Scope
Define and reuse logic with functions and scope variables for effective data access.
4.7
This course includes
This course includes
Skill level
BeginnerTime to complete
Average based on combined completion rates — individual pacing in lessons, projects, and quizzes may vary3 hoursProjects
3Prerequisites
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 quizzesCertificate of completion available with Plus or Pro
Earn a certificate of completion and showcase your accomplishment on your resume or LinkedIn.
Projects in this course
- practice 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. - practice 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. - practice 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
Software Engineer at CodecademyEarn a certificate of completion
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Learn JavaScript: Functions and Scope course ratings and reviews
4.7
206 ratings
- 5 stars75%
- 4 stars19%
- 3 stars4%
- 2 stars0%
- 1 star1%
- 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
Join over 50 million learners and start Learn JavaScript: Functions and Scope today!
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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.