custom-elements

and ensure that all libs are importable via the following browser ESM code.

import('//unpkg.com/lume?module').then(console.log)
import('//cdn.skypack.dev/lume').then(console.log)
import('//jspm.dev/lume').then(console.log)

At the moment they all fail with network errors for various reasons, namely some dependencies aren't in ESM format.

I'd be great if it were possible to set a placeholder content for the mathfield, equivalent to the placeholder-text of html-textareas. If this supported latex, it could easily be used to display text, too, by wrapping it in \text{...}.