Chapter 1: JavaScript Basics

Introduction

In this chapter, you’ll learn essential JavaScript methods for interacting with the Document Object Model (DOM). We’ll cover methods to access elements, change content, and work with basic JavaScript data types like strings, numbers, and booleans.

Topics Covered

• Document Object: Access HTML elements using document.
• innerHTML: Modify content inside HTML elements.
• Functions: Create reusable code with parameters and return values.
• Data Types: Use strings, numbers, and booleans.
• Element Access: Get elements with getElementById and getElementsByClassName.