JavaScript Basics Course (How To)

Hello, JavaScript!

JavaScript is the most popular programming language on the planet. It drives millions of web sites and applications, powers web servers, and is used to build desktop and mobile apps. In this stage, you'll create your first JavaScript program and learn how to troubleshoot your programming mistakes.

• JavaScript Everywhere

  6:20

• What to Expect

  2:55

• JavaScript Everywhere Review

  5 questions

• Display Messages with JavaScript

  5:18

• Your First JavaScript Program

  2:56

• Add JavaScript to HTML

  6:58

• Debug JavaScript in the Console

  5:52

• Adding Scripts and JavaScript Commands Review

  6 questions

• JavaScript Practice Challenge

  2:39

• JavaScript Challenge Solution

  1:45

• instruction

  Code Challenges and Getting Help

• Write JavaScript Statements

  4 objectives

Storing and Tracking Information with Variables

Learn how to use variables to store information that changes during a program, like a score in a game, or a sales total. You'll also learn about declaring variables with the keywords let and const.

• Introducing Variables

  6:33

• Create a Variable

  1 objective

• instruction

  Naming Variables

• Creating and Naming Variables Review

  6 questions

• Change the Value in a Variable

  3:41

• Define Variables with let and const

  6:21

• instruction

  Spacing and New Lines in JavaScript

• Update the Value of a Variable

  1 objective

• Variables Review

  6 questions

Working with Strings

Learn how to create, transform, and manipulate strings, as well as a more intuitive way to work with strings with template literals.

• Introducing Strings

  6:43

• Transform and Manipulate Strings

  6:04

• Introducing Strings Review

  5 questions

• Capture Input

  4:05

• Combine Strings

  8:28

• Combine and Manipulate Strings

  3 objectives

• Template Literals

  5:19

• Display the Value of a String on a Page

  7:55

• Variables and Strings Challenge

  2:57

• Variables and Strings Challenge Solution

  5:32

• Combine Strings and Template Literals Review

  6 questions

• Write a Template Literal

  1 objective

Making Decisions in Your Code with Conditional Statements

Conditional statements let you control the "flow" of your program. You're able to run different code based on conditions in your program.

• Introducing Conditional Statements

  8:39

• Comparison Operators

  7:19

• Conditional Statements and Operators Review

  7 questions

• Use Comparison Operators

  1 objective

• Boolean Values

  7:32

• Program Multiple Outcomes

  5:45

• Booleans and Else If Review

  5 questions

• Write an 'if' Statement

  1 objective

• Add an 'else if' Clause

  1 objective

• Add a Final 'else' Clause

  1 objective

• Test Multiple Conditions With the && Operator

  3:57

• Test Multiple Conditions With the || Operator

  4:04

• Document Your Code with Comments

  4:43

• Multiple Conditions and JavaScript Comments Review

  6 questions

• The Conditional Challenge

  2:17

• The Conditional Challenge Solution

  6:23

• Use Multiple Conditions

  1 objective