Early error vs. error on first call to function vs. runtime error

Brendan Eich brendan at mozilla.org
Fri Sep 28 12:58:42 PDT 2012

John Lenz wrote:
> The best thing I see for the future is if the Browser vendors didn't 
> reparse JavaScript when loading from cache, this would help the best 
> case scenarios, but doesn't help the worse case where it harder to 
> find wins.

Yes, why hasn't this happened? We had a Mozilla intern working on it, 
but I'm not sure where that went. It seems no major browser caches 
post-parsed tree serializations or other intermediate forms. Anyone know 


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