Allen Wirfs-Brock wrote:
On Jul 3, 2012, at 9:07 AM, Brendan Eich wrote:
Russell Leggett wrote:
...
The spec states: "When the splice method is called with two or more
arguments..." - therefore, a.splice(2); leads to unspecified behavior.
Technically that's not correct.
Note you are replying to Russell here and again later, not to me ;-).
Causality was the other way, of course: I implemented splice in SpiderMonkey in
1997 based on Perl 4:
http://perldoc.perl.org/functions/splice.html
and indeed it handles omitted OFFSET and LENGTH the same. IE8 is just defying a
de-facto standard, news at 11 :-P.
and I have no idea why ES3 did not codify the FF implementation.
LOL, no Firefox in 1998-1999. Waldemar may recall but it could just be
an oversight.
Prior to the emergence of Safari and Chrome it probably would have been a
stretch to say that the FF behavior was a de facto standard and it is always
tricky for implementors to navigate through situations where there is
divergence between the de jour and de facto standards.
Back around '97 when splice went in, Netscape was losing share but still
had >60% share.
I wasn't in many ES3 meetings, but I suspect this was just a missed
de-facto standard. No Perl fans stood up.
/be
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