Comment #1 on issue 686 by [email protected]: "With" and function scope
http://code.google.com/p/v8/issues/detail?id=686
Fedor, this does not look like a bug to me.
According to section 13 of ECMA-262 standard there is a subtle difference
between FunctionDeclaration
and FunctionExpression. FunctionDeclaration sets [[Scope]] of the new
Function to the
VariableEnvironment of the running ExecutionContext while FunctionExression
sets [[Scope]] to the
LexicalEnvironment of the running ExecutionContext.
WithStatement [section 12.10] changes LexicalEnvironment of the running
ExecutionContext. Thus
WithStatement cannot affect scope of a function created with a
FunctionDeclaration.
Behaviour of V8 matches behaviour of JavaScript engines of Opera and
Safari. SpiderMonkey behaves
differently but it's behaviour contradicts ECMA-262 from my point of view.
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