Language Size (was Re: [TLUG]: ECMAScript ("Javascript") Version 4 - FALSE ALARM)

Chris Pine chrispi at
Wed Oct 31 02:52:15 PDT 2007

Maciej Stachowiak wrote:
> On Oct 30, 2007, at 1:01 PM, Chris Pine wrote:
>> Maciej Stachowiak wrote:
>>> Can anyone address feasibility of a small full implementation 
>>> (source  code all the way to execution)?
>> If we didn't think it was feasible, we wouldn't be here.  :)  While we 
>> don't have a full implementation yet (no one does), progress is 
>> looking good.  Our latest engine, just out in Opera 9.5 beta, is both 
>> smaller and considerably faster than our previous engine (which we've 
>> shipped on many small devices).  It runs on devices smaller than an 
>> iPhone, no problem.  (How much ram does an iPhone have?  I don't see 
>> that on Apple's site.)
> Does your latest shipping engine implement parts of ES4? If so, how much?

Not much.  Our first focus was to reduce and speed up what we have, to 
make room for the new features.  And we are still not done with that; we 
can make this puppy smaller, yet.

> 2) Size of the ES4 standard library by count of classes, methods and 
> properties.

This really isn't changing much.


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