2.1.81 [ECMA-262/6] Section 21.1.3 Properties of the String Prototype Object

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V0076: String.prototype is a string instance object, not an ordinary object

The specification states:

 21.1.3 Properties of the String Prototype Object
  
     The String prototype object is the intrinsic object %StringPrototype%. The String 
     prototype object is itself an ordinary object. It is not a String instance and does 
     not have a [[StringData]] internal slot.

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The String prototype object is a String instance, not an ordinary object.