2.4.17.4 Properties of the VBArray Prototype Object

The VBArray prototype object is VBArray object with a  [[SArray]] property that is a SafeArray that references a COM SAFEARRAY with 0 dimensions.

The value of the internal [[Prototype]] property of the VBArray prototype object is the Object prototype object ([ECMA-262-1999] section 15.2.3.1).