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ES6之原型
2022-08-07 10:01:00 【znhyXYG】
1、构造函数、实例和原型对象之间的关系

2、原型链

3、原型和原型链详解
函数对象都是由Function函数生成的:
>function fn(){}
>fn.__proto__ === Function.prototype
trueFunction函数本身作为对象时,生成它的函数是他自身!
Function函数本身作为对象时,生成它的函数是他自身! >Function.__proto__ === Function.prototype trueObject函数既然是函数,那生成它的函数自然是Function函数。
Object函数既然是函数,那生成它的函数自然是Function函数咯: >Object.__proto__ === Function.prototype true
红色线:原型链 蓝色线:函数对象都是由Function函数生成的
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