Design principles for extending ES object abstractions

Brendan Eich brendan at
Fri Jul 8 19:48:37 PDT 2011

On Jul 8, 2011, at 7:47 PM, Brendan Eich wrote:

>> An it is really worth the effort. How often does anybody set Date components in a situation that is so time critical that this would matter.  (any shouldn't dates be immutable...oh well)
> SunSpider, cough.

Forgot to say that mutable Date objects were fresh from java.util.Date in 1995.


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