> > If we assume “Array like object” is an object that can serve as the this > value of the Array.prototype methods then pretty much any object is “Array > like”. The Array.prototype methods generally iterate based upon the value > of the this object’s length property. They use ToUint32 to interpret length > as a positive value in the 0..2^32-1 range. If the this object does not > have a length property, [[Get]] will return undefined which ToUint32 > converts to 0. All other non-numeric values also convert to values in the > 0..2^32-1 range. >
> > So objects without a length or with a length value for which ToNumber > produces NaN are treated as 0 length “arrays”. > > > Actually we are discussing two possible positions: - Any object is an Array-like-object - An Array-like-object is an object that has a integer length property that in interval [0,2^32)
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