Matthew Robb matthewwrobb at
Fri May 16 18:31:40 PDT 2014

Also TypeScript
On May 16, 2014 12:49 PM, "Mameri, Fred (HBO)" <Fred.Mameri at> wrote:

>  I kind of feel that even if such a bytecode existed, it should be
> immaterial to the design of ES. What I’m trying to say is that probably a
> better place for this discussion is at the web standards level. This
> decision can be completely outside of the design of any individual
> language, provided a generic enough bytecode.
> Now obviously being able to have web apps written in different languages
> while maintaining performance and debuggability would be nice. But for me,
> the main benefit of the bytecode is having my engineering team be able to
> adopt newer versions of the language at our convenience (instead of waiting
> 10 years until some ancient client updates their script engine)…
>   From: Andrea Giammarchi <andrea.giammarchi at>
> Date: Friday, May 16, 2014 at 3:25 PM
> To: Oliver Hunt <oliver at>
> Cc: es-discuss list <es-discuss at>
> Subject: Re: Bytecode
>   Sure Oliver, it's just funny to read very old unmaintained libraries as
> the base code to test LLVM IR on top ... what you say makes sense but then
> I'd expect some new library maybe based on some new ES5 feature too, that's
> all I was trying to say and there was nothing about criticizing the awesome
> job WebKit did there.
>  Take Care
> On Fri, May 16, 2014 at 9:43 AM, Oliver Hunt <oliver at> wrote:
>> On May 15, 2014, at 10:24 PM, Andrea Giammarchi <
>> andrea.giammarchi at> wrote:
>> > but you mentioned very old one I think nobody cares much anymore ;-)
>>  People may not “care” about them today, but that doesn’t mean that no
>> one uses them - there are many millions of webpages that use these
>> libraries still, and that means performance of those libraries is extremely
>> important to end _users_.
>> Regarding the original topic of this thread: I think there have been many
>> many prior discussions of a standardised bytecode on es-discuss, and people
>> should really be reading those before bringing this up again.  It’s not
>> going to happen as no one has ever demonstrated an actual benefit over
>> simply using JS.
>> —Oliver
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