This Site Might Help You. RE: What does js mean in texting? Well ok this guy said this via facebook chat. He wrote js i think your cute not trying to hit on u jsby the way he was hitting on me so idk why he wrote that haha. Per Hammer65, the Prototype.js Framework uses a nice shortcut to document.getElementById() asGood if youre doing a lot of DOM manipulation, the script is way too heavy if youre not. I am so smart, I am so smart, S.M.R.T I mean S.M.A.R.T. what does NAN mean? Asked by. tumadrina 150. 3 years ago.