On 1 February 2010 13:02, buda <www...@pochta.ru> wrote:
> var Obj = {};
> Obj.meth = Prototype.emptyFunction;
>
> if (Obj.meth !== Prototype.emptyFunction) {
> alert('Not equal');
> }
>
> why alert show everytime?
>
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Why?
The main advantage of the emptyFunction is that you can always call it
without having to do a null/undefined test first.
If you want to know if it has been assigned something, then don't
assign the emptyFunction, leave it as null and then test if it is
null.
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