On Mar 18, 2011, at 10:02 AM, John-David Dalton wrote: >> For symmetry with >> Object.create, you might want Boolean.create, Date.create and so >> forth, but that's still initialization-time, and TBH I would be >> surprised if there were actually many collisions between libraries >> that augment those prototypes. > > In the Script Junkie article I cover a few examples of collisions with > Function.prototype's and problems with Array.prototype. > Date.create, Function.create and the like clutters the API. I would be > for a more generic Object.setPrototypeOf() addition. > http://es5.github.com/#x15.2.3.2 >
Object.setPrototypeOf is just as bad as LHS __proto__ because is isn't atomic with object creation. That is the key thing from an implementation/optimization/security perspective. Once an object is created its [[Prototype]] needs to be immutable. _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
