On Jun 27, 2013, at 3:19 AM, Marius Gundersen wrote:
> I'm testing some code in the latest version of Firefox, and it seems I'm not
> able to define default values to function arguments which are destructured.
> For example:
>
> function test([a, b] = [1, 2]){
>
>
> return a+b;
> }
>
>
> test([3, 4])//expect 7
> test([3])//expect NaN
> test()//expect 3
>
> //Exception: missing ) after formal parameters (line 1)
>
> I haven't found this defined in the current grammar,
see http://people.mozilla.org/~jorendorff/es6-draft.html#sec-13
FormalParameter :
BindingElement
http://people.mozilla.org/~jorendorff/es6-draft.html#sec-12.2.4
BindingElement :
BindingPattern Initialiser<opt>
BindingPattern :
ArrayBindingPattern
> but would be useful for something I'm currently working on. Or maybe it just
> isn't implemented in Firefox?
>
> Marius Gundersen
>
>
> _______________________________________________
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