Subj : Re: syntax check
To   : Igor Bukanov
From : Brendan Eich
Date : Sun Jan 16 2005 08:18 pm

Igor Bukanov wrote:
> Georg Maaß wrote:
> 
>> ...  Is Script also
>> implemented in Rhino?
> 
> 
> Yes, it is implemented in Rhino.
> 
>> ...
>> Which context does this script generated by the Script function use? 
> 
> 
> I assume you mean scope, not context, right? In Rhino instances of 
> Script use the top scope of the scope at then moment of script call so 
> script code can assume it has access to top or global variables. For 
> example, if you execute the following in Rhino shell:
> 
> var a = 1;
> 
> function f()
> {
>     var a = 2;
>     var s = Script("a = 0");
>     s();
>     print(a);
> }
> 
> f();
> print(a);
> 
> you should get
> 2
> 0
> since code executed via s() does not have access to function scope.

Who made up that rule?  ;-)

SpiderMonkey output for same script:

0
1

Why not use the activation as the scope chain head?

/be

.