https://gist.github.com/lindseyjohnasterius/96e696d780b74a2d800163760bc6293d
Here is my Gist explaining how I do it, but the javascript.info article is newer and better
This is my favorite new feature in HTML. It allows us to define custom HTML elements as classes and talk to them using attributes.
https://gist.github.com/lindseyjohnasterius/96e696d780b74a2d800163760bc6293d
Here is my Gist explaining how I do it, but the javascript.info article is newer and better