Yup, exactly what TJ said in his lengthy reply to my original message. :-) On Mon, Jun 9, 2008 at 10:22 PM, RobG <[EMAIL PROTECTED]> wrote:
> > Read the ECMAScript spec, section 10.1.4. To summarise, if a property > with the same name as the identifier is not found on the scope chain, > then return "a value of type Reference whose base object is null and > whose property name is the Identifier". > > Having resolved the identifier, it now must be evaluated, section 12.4 > says: > > 1. Evaluate Expression. > 2. Call GetValue(Result(1)). > 3. Return (normal, Result(2), empty). > > When it gets to step 2 and calls GetValue... Section 8.7.1 getValue > says: > > 1. If Type(V) is not Reference, return V. > 2. Call GetBase(V). > 3. If Result(2) is null, throw a ReferenceError exception. > > Ta da. -- Science answers questions; philosophy questions answers. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Spinoffs" group. To post to this group, send email to rubyonrails-spinoffs@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/rubyonrails-spinoffs?hl=en -~----------~----~----~----~------~----~------~--~---
