I believe is has  effectively been added under the more constrained object
literal extensions
http://wiki.ecmascript.org/doku.php?id=harmony:object_literals

On Tue, Mar 6, 2012 at 12:50 PM, Isaac Schlueter <i at izs.me> wrote:

> A great many letters have been typed regarding the number of letters in
> the word "function".
>
> What if we just made the keyword "function" entirely optional, dart-style?
>
> *ShortNamedFunctionDeclaration* *:**Identifier **<no_linebreak>* *(* *
> FormalParameterListopt* *) <no_linebreak> {* *FunctionBody* *}* *
> ShortNamedFunctionExpression* *:**Identifier **<no_linebreak>* *(* *
> FormalParameterListopt* *) <no_linebreak> {* *FunctionBody* *}* Note that
> the identifier is no longer optional, and that no linebreak is allowed
> between the parameter list and the body, unlike current function decl/exprs.
> myList.forEach(x (item) {
>   item += 2
>   doSomethingElse(item)
>   assert(typeof x === "function")
> })
> // expression, not declaration
> assert(typeof x === "undefined")
>
> // declaration, hoisted
> assert(typeof doSomethingElse === "function")
>
> doSomethingElse (item) {
>   // IIFE, not declaration
>   ;(y (n) { item += n })(Math.random())
>   assert(typeof y === "undefined")
> }
>
> Is there an obvious case I'm overlooking where this sort of construction
> would fail?  Clearly, you can't put the { on the next line or else it'll be
> interpreted as an invocation followed by a block, and that could be a
> significant footgun.  But, it's not a *new* footgun, since \n{ is
> problematic with return anyhow. (I long for a mode where \n{ is always a
> syntax error.)  And, it introduces no new keywords, no syntax that isn't
> already an error, and no new semantics.
>
> I'm eager to see what I missed when you shoot this down :)
>
>
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>
>
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I believe is has  effectively been added under the more constrained [object literal extensions](http://wiki.ecmascript.org/doku.php?id=harmony:object_literals)