<html> <body> <p>Hello, world</p> </body> </html> Imagine this was the only piece of HTML you’ve ever seen in your life. If you had complete freedom, which features would you add to HTML, and in what order? Where would you start? Server Tags Personally, I’d like to start by adding a way to define my own HTML tags. It doesn’t need to be complicated. We can just use JavaScript functions: <html> <bod