Modern Web Design with HTML5, CSS3, and JavaScript - Introduction to JavaScript Variables

This video tutorial introduces the concept of variables in programming, explaining how they function as labels for data that can be referenced and updated within code. It covers the practical use of variables to store and update data, emphasizing the efficiency they bring to coding. The tutorial also outlines the rules for naming variables in JavaScript, including the use of camelCase and restrictions on starting characters. Additionally, it warns against using reserved words as variable names and highlights the importance of meaningful naming conventions.

How does changing the value of a variable affect the output in your code?

Describe the concept of camelCase in variable naming.

What should you consider when choosing a variable name?