Learn JavaScript: Arrays and Iteration
Create arrays to store your information and learn how to iterate over these collections.
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Key Concepts
Review core concepts you need to learn to master this subject
Property .length
Property .length
const numbers = [1, 2, 3, 4];
numbers.length // 4The .length property of a JavaScript array indicates the number of elements the array contains.
Arrays
Lesson 1 of 4
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
Learn JavaScript: Arrays and Iteration
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