I used to use no-js/js classes too, but stopped because scripts being enabled isn't a guarantee that a given external script will run successfully (adblockers,

I used to use no-js/js classes too, but stopped because scripts being enabled isn't a guarantee that a given external script will run successfully (adblockers, connection error, etc). Nowaways I default to "js isn't available" state, and if the script(s) is able to load, then it augments or hydrates the static markup.