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

By disabling JavaScript on some sites, you still get to use JavaScript on sites that break without it, while benefiting from improved privacy, ad blocking, and cleaner layouts on other sites.

Hyperscript is a newer language for handling common scripting needs on the JavaScript front end. You can use it by itself or in tandem with HTMX.