Chapter 4: Loops and Selectors

Introduction

In this chapter, you’ll learn about while and do-while loops for repetitive tasks, assignment operators, and using querySelector to access specific elements. We’ll also cover outerHTML to modify elements.

Topics Covered

• While Loop: Repeat tasks while a condition is true.
• Do-While Loop: Execute code at least once before checking a condition.
• Assignment Operators: Modify values of variables.
• Query Selector: Select elements based on CSS selectors.
• Outer HTML: Replace elements with new content.