> the costs of those particular compiled languages is high enough Only if we are talking developer experience. Even if you are working on something almost no-

> the costs of those particular compiled languages is high enough Only if we are talking developer experience. Even if you are working on something almost no-one uses. Spending a bit of time , or even hours, compiling, will be dwarfed by running more efficient code. Just remember that there are billions of devices constantly (re)JITing Javascript code...