Free
CourseLearn JavaScript: Arrays and Loops
Create and manipulate arrays and execute efficient repetitions using loops to develop meaningful programs.
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
2Prerequisites
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 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
Secret Message
In this 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. - practice Project
Whale Talk
It's time to practice loops in JavaScript by building a project that will translate English into “Whale Talk”.
Meet the creator of the course
Kenny Lin
Software Engineer at CodecademyEarn a certificate of completion
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Learn JavaScript: Arrays and Loops course ratings and reviews
171 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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Looking for something else?
Related resources
- Article
Arrays
Use this article as a reference sheet for JavaScript arrays. - Article
Javascript Guide: Arrays
Use this guide to brush up on interacting with JavaScript arrays. - Article
Arrays
Like vectors, the array is a data structure used in C++ to store a sequential collection of elements. Unlike vectors, its size cannot be changed.
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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.