Subj : Re: Is "arguments" an array or not in Rhino?
To   : Larry Blair <rathje40@yahoo.com>
From : Igor Bukanov <igor@fastmail.fm>
Date : Tue Apr 15 2003 10:01 pm

Larry Blair wrote:
> The following function works in spidermonkey, but not in Rhino:
> 
> function f(){
>   var c = [].concat(arguments);
>   return c;}
> var x = f("A", "B");
> die (x.length+"|"+x[0]+"|"+x[1]);
> 
> Spidermonkey results = 2|A|B
> Rhino results = 1|[object Arguments]|undefined
> 
> Btw, the following variation works in Rhino.  Unfortunately, our 1900 
> app files don't use it:
> 
> function f(){
>   var c = [].concat([arguments[0], arguments[1]]);
>   return c;}
> var x = f("A", "B");
> die (x.length+"|"+x[0]+"|"+x[1]);
> 

This is a bug in Rhino. In fact, this is a regression since 1.5R3. Could 
you file a bugzilla.mozilla.org report for it?

Regards, Igor

.