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`a=[]`的原型是什么，原型的原型是什么

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

a=[]的原型是什么，原型的原型是什么

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answered Jan 25, 2021 by 深蓝 (71.8m points)

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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