I agree, but lots of JS developers (mistakenly) think there is nothing wrong with this: Object.prototype.myDumbShim = function () { ... }; Chances are goo

I agree, but lots of JS developers (mistakenly) think there is nothing wrong with this: Object.prototype.myDumbShim = function () { ... }; Chances are good that your code will be running in the same scope as one of these people's code eventually.