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PRDV401: Introduction to JavaScript I

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Course Introduction

Course Syllabus

Unit 1: HTML and CSS Prerequisite Overview

1.1: Introduction to HTML

HTML Basics

Practice: HTML Text Fundamentals

Working with Files: Folder Structure and Naming Conventions

Example in Action: Working with Basic HTML

Practice Review: Creating a Simple Webpage

1.2: Introduction to CSS

What is CSS?

Getting Started with CSS Rules

Example in Action: Working with Inline CSS

Practice: Develop a Webpage Using HTML and CSS

Study Session Review Video

PRDV401 Study Session 1

Unit 1 Assessment

Unit 1 Assessment

Unit 2: Introduction to JavaScript

2.1: JavaScript Overview

A Brief History of JavaScript

What is JavaScript?

Why JavaScript?

2.2: Getting Started

2.3: Adding JavaScript to a Webpage

JavaScript and HTML

Using the <script> Element to Link External Files

Example in Action: Incorporating Javascript in a Webpage

Practice: Run "Hello World"

2.4: Debugging JavaScript

What is Debugging?

Validating JavaScript

Example in Action: Install and Use JSHint in the Sublime Text

Study Session Review Video

PRDV401 Study Session 2

Unit 2 Assessment

Unit 2 Assessment

Unit 3: Values, Variables, and Statements

3.1: Data Types and Values

Introduction to DataTypes and Values

Example in Action: JavaScript Data Types

Practice: Immutable vs. Mutable in JavaScript

3.2: Variables and Strings

What is a Variable?

Identifier and Variable Names

Example In Action: String Variables

3.3: JavaScript Operators

Expressions and Operators Reference

More on JavaScript Operators

Assignment vs. Equality Operator

Expressions and Operators Reference (3.3)

Try It (3.3)

3.4: Introduction to JavaScript Statements

What is a Statement?

JavaScript Reserved Keywords

Block Statements

JavaScript Statement Syntax

Practice: Data Types and Arithmetic Operators

Practice Review: Using "var", "let", and "const" Statements

Keywords (3.4)

Try It (3.4)

Study Session Review Video

PRDV401 Study Session 3

Unit 3 Assessments

Unit 3 Assessment

Unit 4: Conditional Statements and Control Flow

4.1: Introduction to Conditional Statements

What is Control Flow?

4.2: Selection Control Statements

"if...else" Statements

Example in Action: "switch" Statement with a "break"

4.3: Looping Statements

"while" Statements

Example in Action: "for" Statement

"do...while" Statement

Practice Review: Fix the Switch Statement

Study Session Review Video

PRDV401 Study Session 4

Unit 4 Assessment

Unit 4 Assessment

Unit 5: The Basics of Functions

5.1: Functions to Perform a Task in Action

Introduction to Functions

JavaScript Functions

5.2: Declaring Functions

Function Declaration Notation

5.3: Additional Function Declarations

Function Expression Notation

The Arrow Function

Example in Action: JavaScript Functions Expression and Arguments

Practice Review: Using Functions with Conditionals

Study Session Review Video

PRDV401 Study Session 5

Unit 5 Assessment

Unit 5 Assessment

Unit 6: Objects, the DOM, and Best Practices

6.1: JavaScript Objects

Data Structures: Arrays and Objects

Example in Action: Storing and Accessing Objects with JavaScript

Practice: Exploring Objects Using JavaScript

6.2: The DOM (Document Object Model)

Introduction to the DOM

The DOM and JavaScript

Practice: Inspecting DOM "Elements" using the Developer Console

Practice: Using JavaScript and the DOM to Output Data to a Webpage

6.3: JavaScript Best Practices

JavaScript Best Practices

Common Mistakes in Your Code

Using Strict Mode

Example in Action: Exception Handling

6.4: Final Practice Exercises

Course Review

Project: Guess The Number Game

Study Session Review Video

PRDV401 Study Session 6

Unit 6 Assessment

Unit 6 Assessment

Course Feedback Survey

Course Feedback Survey

Certificate Final Exam

PRDV401: Certificate Final Exam

Raw Files

.js Files
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Arts & Humanities

Art History

Communication

English

Philosophy

Business Administration

Computer Science

English as a Second Language

Professional Development

Business and Communication

College Success

Computer and Information Technology

General Knowledge for Teachers

Writing and Soft Skills

Science and Math

Biology

Chemistry

Mathematics

Physics

Social Science

Economics

Geography

History

Political Science

Psychology

Sociology

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void Keyword
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PRDV401: Introduction to JavaScript I
void Keyword

`void` Keyword

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void Keyword

The void operator evaluates the given expression and then returns undefined.

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Saylor Academy © 2010-2025 except as otherwise noted. Excluding course final exams, content authored by Saylor Academy is available under a Creative Commons Attribution 3.0 Unported license. Third-party materials are the copyright of their respective owners and shared under various licenses. See detailed licensing information. Saylor Academy®, Saylor.org®, and Harnessing Technology to Make Education Free® are trade names of the Constitution Foundation, a 501(c)(3) organization through which our educational activities are conducted.