On Sat, Apr 23, 2011 at 1:19 PM, Brendan Eich <[email protected]> wrote:
> On Apr 22, 2011, at 3:34 PM, Claus Reinke wrote:
> >
> > Perhaps you should have used 'catch' instead of 'with' for
> > your example - the combination of
> > - implementations allowing FunctionDeclaration as statement
> > - implementations differ in how such FunctionDeclarations are
> hoisted
> > - ES/next limiting FunctionDeclaration hoisting to blocks
> >
> > seems to imply that for some implementations, ES/next will
> > have different behaviour than ES5+FD-statements,
>
> Yes, that's right, but as stated it might seem to imply that
> implementations agree with one another on FD-in-block today. Current
> implementations do not all agree, so migrating will involve work and testing
> in any event.
>
> For this reason, ES5 strict implemented in Firefox 4 (SpiderMonkey) makes
> FD-in-block an error:
>
Also a SyntaxError in Chrome 12.0.742.5 dev and Safari Version 5.0.4
(5533.20.27, r84622).
>
> js> function f() { "use strict"; if (C) { function D(){} } }
> typein:2: SyntaxError: in strict mode code, functions may be declared only
> at top level or immediately within another function:
> typein:2: function f() { "use strict"; if (C) { function D(){} } }
> typein:2: ...............................................^
>
> /be
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>
--
Cheers,
--MarkM
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