JavaScript Arrays Course

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Free Online Course: JavaScript Arrays Course provided by Treehouse is a comprehensive online course, which lasts for 2-3 hours worth of material. The course is taught in English and is free of charge. JavaScript Arrays Course is taught by Guil Hernandez.

Overview
  • Arrays provide a way to store multiple pieces of information. An array is a list of values: numbers, strings, boolean values, or even other arrays. In this course, you'll learn the basics of using arrays as data structures.

Syllabus
  • Store Multiple Values in an Array

    Learn the basics of arrays, a common data structure for holding multiple pieces of information.

    Chevron 11 steps
    • What is an Array?

      4:35

    • Create an Array

      2 objectives

    • Access Elements in an Array

      3:04

    • Access Array Elements by Index

      2 objectives

    • Review Array Basics

      5 questions

    • Add Elements to an Array

      4:10

    • Add Elements to an Array

      2 objectives

    • Remove Elements From an Array

      4:17

    • Remove Elements From an Array

      2 objectives

    • Copy and Combine Arrays with the Spread Operator

      7:18

    • Review Adding, Removing, and Copying Array Elements

      6 questions

    Loop Through Arrays

    Learn how to access and manipulate items in an array using loops.

    Chevron 8 steps
    • Using a 'for' Loop to Iterate Over an Array

      3:49

    • Loop Through an Array

      6:04

    • Loop Through an Array

      1 objective

    • Useful Array Methods

      4:15

    • Array Methods

      2 objectives

    • Search for a Value in an Array

      3:45

    • Locate and Join Array Elements

      4:57

    • Review Array Methods and Iterating

      5 questions

    Multidimensional Arrays

    You can place an array within an array, even create an array that contains nothing but other arrays. An array inside an array is called a "multidimensional array".

    Chevron 7 steps
    • What is a Multidimensional Array?

      3:29

    • Create a Multidimensional Array

      5:32

    • Create a Multidimensional Array

      3 objectives

    • Build a Quiz Challenge

      1:48

    • Build a Quiz Challenge – One Solution

      5:10

    • Improve the Quiz – One Solution

      4:28

    • Review JavaScript Arrays

      5 questions