Brendan Eich brendan at
Tue Sep 9 21:51:53 PDT 2008

On Sep 9, 2008, at 9:47 PM, David-Sarah Hopwood wrote:

> As an alternative to saying "the original bindings of..." in the spec,
> we could provide a way to actually get the original bindings in  
> ECMAScript
> code. This is independently useful, e.g. for secure subset run-times.

Have you read 
id=strawman:lexical_scope yet?

The Harmony reference implementation work is very likely to cut back  
the old ES4 RI to ES3 and go forward from there. To avoid hijacking  
built-in behavior it needs something like the "use lexical scope"  

> I have also assumed the existence of a "static" Function.apply which
> takes the function to be applied as an explicit first argument.

This was part of ES4 and it's in JS1.7+ in Firefox.


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