On Thursday, July 28, 2016 at 3:23:41 PM UTC-4, Adam Klein wrote: > > +bcc blink-dev > > This lgtm to ship! A few questions/comments below. > > On Thu, Jul 28, 2016 at 12:03 PM, Caitlin Potter <ca...@igalia.com > <javascript:>> 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? >
There are links to work on implementations at Apple, Mozilla and Microsoft in the chromestatus entry below > > >> 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). > https://www.chromestatus.com/feature/5666580386021376 -- -- v8-users mailing list v8-users@googlegroups.com 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 v8-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
