By the end of this project you will understand how data is stored in and retrieved from arrays in JavaScript. You will use the Notepad++ editor to write JavaScript code to work with arrays. In addition to creating and populating an array, you will learn multiple methods of accessing data from arrays using JavaScript code. Arrays are a great way to store multiple values of a similar type and are commonly used in programming.
Introduction to JavaScript Arrays
Learn, practice, and apply job-ready skills with expert guidance
Intermediate level
Recommended experience
2 hours
Learn at your own pace
Hands-on learning
What you'll learn
Explain the advantages of repetition programming.
Create and populate an array with JavaScript code.
Access elements from an array using JavaScript.
Skills you'll practice
Details to know
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Taught in English
No downloads or installation required
Only available on desktop
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About this Guided Project
Learn step-by-step
In a video that plays in a split-screen with your work area, your instructor will walk you through these steps:
Compare examples of variables with simple values and variables that contain arrays.
Write the JavaScript code to create an array and populate the array with elements.
Use element indexes to access each of the elements in a JavaScript array and display them on a web page.
Write a JavaScript for loop with a length property to read through the elements in an array and display them on a web page.
Code a JavaScript for/of loop that reads through the elements in an array and displays them on a web page.
Recommended experience
Completion of Introduction to JavaScript or a basic knowledge of JavaScript and HTML is recommended.
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Instructor
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How you'll learn
Skill-based, hands-on learning
Practice new skills by completing job-related tasks.
Expert guidance
Follow along with pre-recorded videos from experts using a unique side-by-side interface.
No downloads or installation required
Access the tools and resources you need in a pre-configured cloud workspace.
Available only on desktop
This Guided Project is designed for laptops or desktop computers with a reliable Internet connection, not mobile devices.
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Frequently asked questions
By purchasing a Guided Project, you'll get everything you need to complete the Guided Project including access to a cloud desktop workspace through your web browser that contains the files and software you need to get started, plus step-by-step video instruction from a subject matter expert.
Because your workspace contains a cloud desktop that is sized for a laptop or desktop computer, Guided Projects are not available on your mobile device.
Guided Project instructors are subject matter experts who have experience in the skill, tool or domain of their project and are passionate about sharing their knowledge to impact millions of learners around the world.