Guest:
I just want to know if there is no alternative way to replace JavaScript-based functionality when the browser does not allow JavaScript.
As far as I know, JavaScript is the only
common way to build a
simple bridge of functions communication on the client side.
But... why are your users limited with JavaScript? May be you would need to start from there...
If you search by "
javascript alternative" you will see there are quite a lot of projects which pretend for being called so:CoffeScript, TypeScript, Babel, Haxe etc. However I'm not sure how useful they could be for miniBB functions. They appear being for standalone apps, and anyway, the final way of their appearance is JavaScript inclusion.
Guest:
they will not enter the BB code
You could put BB-code's formatting near the message form with explanation. Then your users could just copy them and paste into the message, substituting the necessary text. It will work even on old touch screen devices.