+bcc blink-dev

This lgtm to ship! A few questions/comments below.

On Thu, Jul 28, 2016 at 12:03 PM, Caitlin Potter <[email protected]> wrote:

> Object.getOwnPropertyDescriptors() has been implemented in V8 since
> February 2016, and enabled by the "Experimental Javascript Features" flag
> in Chrome since March. The feature has been ratified and is in the
> specification at
> https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors.
>

Is it implemented or shipped in other engines?


> Performance-wise, I believe we outperform user-space implementations of
> this function in the common cases by a factor of 2 (measured
> quickly/naively at
> https://github.com/caitp/getOwnPropertyDescriptors-bench), possibly
> slightly slower for more exotic uses (but this has not been tested).
>
> The technical debt introduced by this feature is fairly limited, taking up
> a total of 36 lines of straightforward C++ code.
>
> There is no chromestatus entry, but one will be created if asked for. It's
> been implemented for several months without one, and it seems like the
> feature is being found without an entry.
>

Please do add one (which will answer my question).

> --
> --
> v8-users mailing list
> [email protected]
> http://groups.google.com/group/v8-users
> ---
> You received this message because you are subscribed to the Google Groups
> "v8-users" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to [email protected].
> For more options, visit https://groups.google.com/d/optout.
>

-- 
-- 
v8-users mailing list
[email protected]
http://groups.google.com/group/v8-users
--- 
You received this message because you are subscribed to the Google Groups 
"v8-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
For more options, visit https://groups.google.com/d/optout.

Reply via email to