On Mar 19, 2012, at 2:36 PM, David Bruant wrote: > Le 19/03/2012 21:10, Maël Nison a écrit : >> Hi, >> >> I'm 'upping' this discussion for two reasons : >> >> - I didn't send any response before ! I didn't know that some parts of >> V8 were self-hosted, so I'm glad to have learn that. Thanks. : ) >> >> - I've just read this article [1] on the web, and it reminds me this >> discussion. The author is explaining a valid use case of mutable >> functions (preventing useless garbage collection). It's true that in >> real time application, garbage collection consume a lot of processing >> time (factories or persistent objects are not uncommon [2] [3] [4]). >> >> What do you think about this ? > My opinion hasn't changed. You can still add these methods yourself to > Array.prototype. You are even encouraged to do that and remove methods > abusively creating new arrays if it helps promote array reusability in > your own code.
Implicit in the original post is the assumption that removing (or adding) elements to an existing object is more efficient (in all performance dimensions) than creating a new object with the desired elements. That isn't always the case... Allen _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
