Modern JavaScript from the Beginning - Second Edition - Declaration Versus Expression

The video tutorial explains the differences between function declarations and function expressions in JavaScript. It covers how to declare functions using the 'function' keyword and how to create function expressions by assigning functions to variables. The concept of hoisting is introduced, explaining how function declarations are available before code execution, unlike function expressions. Practical examples demonstrate these concepts, and recommendations for organizing code are provided.

What is the difference between a function declaration and a function expression in JavaScript?

Explain the concept of hoisting in JavaScript functions.

How can you invoke a function before it is declared in the code?

What happens if you try to call a function expression before it is defined?

Describe how to create a function that prefixes a value with a dollar sign.