This one confuses me: > Where libraries are necessary, use libraries that leverage html attributes over libraries built around javascript or custom syntax And then they demo using _hyperscript [0] as encouraged. However, that's a library built around a custom syntax. It's only using an HTML attribute to encode a script that's in a new language you need to learn. Is this serious? [0] https://hyperscript.org
Its example is also pretty weak. Vanilla solutions (Tip 1) works just as well: