Last time Bart teased us that we were going to learn about the template library called Mustache, but he realized that he needed to teach us about vanilla HTML 5 Templates first. He starts by showing the problem to be solved: how messy and error-prone it is to create HTML elements using jQuery. Then he shows us how templates allow you to create multiple elements via cloning of the templates. The syntax is quite annoying, but I think once we get used to it, it will be pretty easy and efficient to use.