Большое расследование странного :) Исходник: instanceof MDN: ECMA 262 InstanceOfOperator/OrdinaryHasInstance: #sec-instanceofoperator #sec-ordinaryhasinstance ECMA 262 [[Construct]]: #sec-construct ES 5.1 [[Construct]] # ECMA 262 __proto__: # Цепочки прототипов:
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