HTML Syntax Highlights When it comes to highlighting, Nano is less intensive with HTML than with other languages -- it only changes the color of the HTML tags itself.

Learn the meaning of HTML (Hypertext Markup Language), the role HTML files play in the development and delivery of webpages, and the syntax used to create them.

HTMX is the HTML extension syntax that replaces JavaScript with simple markup. It could change the course of web development.

We rather fear that live syntax validation as you hand-code HTML is one answer to this, but on its own isn't sufficient. But we really wish it were – and we would be very happy to be wrong.