- From: Boris Zbarsky <bzbarsky@MIT.EDU>
- Date: Fri, 10 May 2013 01:27:00 -0400
- To: public-script-coord@w3.org
On 5/8/13 4:20 PM, Brandon Benvie wrote:
> On 5/8/2013 11:18 AM, Boris Zbarsky wrote:
>> 2) Have arguments.length not include trailing undefined values.
>
> Do you mean only when there's defaults defined?
No, I meant in all cases.
> As in this returns `0`:
>
> (function(a = 1, b = 2, c = 3){
> return arguments.length;
> })(undefined, undefined, undefined);
Hmm. What would be the benefit of that?
> For compatibility with a lot of existing JS code, the following must
> return `3`:
>
> (function(a, b, c){
> return arguments.length;
> })(undefined, undefined, undefined);
Yeah, that's the impression I get. Sad, but ok.
-Boris
Received on Friday, 10 May 2013 05:27:29 UTC