Js prototype constructor __proto__ Function Object diagram

Source: Internet
Author: User

Constructorand prototype are all objects under the property, which holds the object in memory address (pointing to a specific object in memory) 1. First remember that a concept in JS everything is the objecteg:    Number is an object (function object) that object hasthe constructor property holds the physical address of the function object in memory, and the constructor property points to the function object
    Number is an object (function object) that object hasthe prototype property holds the physical address of the number prototype object in memory, the prototype property points to the Number.prototype entity object in memory
    Number.prototype entity objects in memory the object also has the constructor property, which holds the physical address of Number (function object) in memory above, Number.prototype object's constructor property points to Number Function Object

Js prototype constructor __proto__ Function Object diagram

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