How many ES5 environments are still in use today?

[Isiah Meadows]

WRT Duktape, I'm not exactly seeing broad ES6 support (ES7+ isn't much
better): https://kangax.github.io/compat-table/es6/#duktape2_2

There's a few others with very bad ES6+ support that are still in broad use:

- Getting older businesses and organizations (like colleges) to transition
away from IE is still a giant work in progress - Windows 7 and 8 (still
supported) don't have Edge to shove it in their face, and many IT
departments have their hands tied with bureaucracy.
- Nashorn has only modest support for ES6, but it targets an audience that
doesn't use JS for anything heavy. (To be quite honest, giving them ES6
might *encourage* them to write worse code.)

-----

Isiah Meadows
me at isiahmeadows.com
www.isiahmeadows.com

On Mon, Jun 25, 2018 at 4:17 AM, Andrea Giammarchi <
andrea.giammarchi at gmail.com> wrote:

> At JSConfEU they gave all participants a neonious:
> https://www.indiegogo.com/projects/neonious-one-javascript-
> es6-ts-board-with-low-js-computers-animation#/
>
> it has ES6 and it runs on similar ESP32 HW the Espruino runs too.
>
> I don't think there's any particular issue in bringing ES6 there, but
> maybe not the whole thing works.
>
> duktape also seems there with most features: http://duktape.org
>
> Accordingly, I don't understand why anyone would be stuck at ES5 these
> days.
>
> On Mon, Jun 25, 2018 at 5:34 AM Isiah Meadows <isiahmeadows at gmail.com>
> wrote:
>
>> There's also JerryScript, which given their target platform, there's *no*
>> way they're going to be able to reliably implement much of ES6. They target
>> platforms like microcontrollers with less than 100KB of RAM and only a few
>> hundred in flash memory. One of their automated test devices really pushes
>> against it with its 192KB memory and 1MB flash memory. [2] (Their Raspberry
>> Pi is like a supercomputer compared to the other two.)
>>
>> Also, BTW, Rhino is at least *attempting* to implement some ES6+
>> features. [3] [4]
>>
>> [1]: http://jerryscript.net/
>> [2]: https://www.st.com/resource/en/data_brief/stm32f4discovery.pdf
>> [3]: https://mozilla.github.io/rhino/compat/engines.html
>> [4]: https://github.com/mozilla/rhino/blob/master/RELEASE-NOTES.md
>>
>>
>> -----
>>
>> Isiah Meadows
>> me at isiahmeadows.com
>> www.isiahmeadows.com
>>
>> On Sun, Jun 24, 2018 at 1:34 AM, N. Oxer <blueshuk2 at gmail.com> wrote:
>>
>>> Nobody's mentioned this yet, but Rhino is still in use in Google Apps
>>> Script, which means anything related to G suite and scripting (e.g. google
>>> sheets macros, google forms scripts) is also stuck at es3-5.
>>>
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>>>
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>
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