a=[]的原型是什么,原型的原型是什么
a=[]
var a = []; var protoOfA = Object.getPrototypeOf(a); console.log(protoOfA === Array.prototype) // true var protoOfProtoOfA = Object.getPrototypeOf(protoOfA); console.log(protoOfProtoOfA === Object.prototype) // true
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