now https://bugs.ecmascript.org/show_bug.cgi?id=332
On Apr 9, 2012, at 8:51 AM, Allen Wirfs-Brock wrote: > This is a spec. bug. Immediately before line10 of the algorithm there > should be a line that says: > > Call the [[Put]] internal method of A with arguments "length", > actualDeleteCount, and true. > > The ES3 spec. has the equivalent of the above line. It was apparently > inadvertently dropped in the ES5 spec. > > Chrome's behavior (and also Firefox, I haven't checked others) matches the > intended ES3 behavior. > > I'll file a bug against the the ES5 spec. > > Allen > > > > > > > > Chrome is correct > On Apr 9, 2012, at 8:19 AM, John-David Dalton wrote: > >> Can someone confirm/reject that by spec (http://es5.github.com/#x15.4.4.12): >> >> // sparse array ;D >> var a=[0]; >> a[2]=2; >> >> // the resulting arrays length should be 1 and not 2 >> console.log(a.splice(0, 2).length); >> >> I'm seeing `2` in latest Chrome/FF. >> >> Thanks, >> -JDD >> _______________________________________________ >> es-discuss mailing list >> es-discuss@mozilla.org >> https://mail.mozilla.org/listinfo/es-discuss >> > > _______________________________________________ > es-discuss mailing list > es-discuss@mozilla.org > https://mail.mozilla.org/listinfo/es-discuss >
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