Free
CourseLearn JavaScript: Arrays and Loops
Create and manipulate arrays and execute efficient repetitions using loops to develop meaningful programs.
Skill level
BeginnerTime to complete
Approx. 3 hoursCertificate of completion
Included with paid plansPrerequisites
None
About this course
Continue your JavaScript learning journey with Learn JavaScript: Arrays and Loops. So much of the information that we encounter on the web is arranged in lists. Create and manipulate arrays and execute efficient repetitions using loops to develop meaningful programs.
Syllabus
2 lessons • 2 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
Secret Message
It's time to build fluency in JavaScript Arrays. In this next Pro Project, we're going to practice array methods in JavaScript so you can hone your skills and feel confident taking them to the real world. Why? You'll be able to put into practice some of the JavaScript array methods you've learned in this lesson. Your goal is to be able to successfully retrieve and manipulate the data in your array. What's next? Chris Pine, some programming wisdom, more JavaScript. You got this! - Project
Whale Talk
It's time to practice loops in JavaScript by building a project that will translate English into “Whale Talk”.
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: Arrays and Loops today!
Start