Arrays
In this course, you will learn about arrays, a data structure in JavaScript used to store lists of data.
StartKey Concepts
Review core concepts you need to learn to master this subject
Property .length
Property .length
const numbers = [1, 2, 3, 4];
numbers.length // 4
The .length
property of a JavaScript array indicates the number of elements the array contains.
Arrays
Lesson 1 of 1
What you'll create
Portfolio projects that showcase your new skills
How you'll master it
Stress-test your knowledge with quizzes that help commit syntax to memory