I often find myself performing optimizations that are generally best-practices under V8 (and also work well in Firefox) that most in this community would consid

I often find myself performing optimizations that are generally best-practices under V8 (and also work well in Firefox) that most in this community would consider "premature optimizations," ... Do you have any references you could point to? I'm really curious as to whether or not I'm doing something stupidly inefficient. :)