The ES6 standard provided a way to include default values for parameters when you set up a function. This video addresses the traditional way have handling this issue in JavaScript and then shows how it is done with ES6. For a complete list of all our tutorials: http://www.allthingsjavascript.com/youtube.html Take the Learn Modern JavaScript: Getting Started or the Learn Modern JavaScript: Advanced Topics courses at a huge discount: https://www.udemy.com/learn-modern-javascript-getting-started/?couponCode=YOUTUBE https://www.udemy.com/learn-modern-javascript-advanced-topics/?couponCode=YOUTUBE