Modern Web Design with HTML5, CSS3, and JavaScript - JavaScript Functions

The video tutorial covers the fundamental aspects of functions in JavaScript, including their creation, invocation, and the importance of scope and variables. It explains how functions allow code reuse and how variables behave differently within function scopes. The tutorial also demonstrates variable reassignment and incrementing variables within functions, providing practical examples and encouraging viewers to explore further.

How can you invoke a function multiple times in JavaScript?

What is the difference between a global variable and a local variable in the context of functions?

What will be the output if you reassign a variable within a function?