JS prototype chain object function relationship

A picture is worth a thousand words , Let's first understand a picture

Prototype and prototype chain understanding

Every object has a __proto__ The pointer , The prototype object that defaults to its constructor prototype（ Prototype object prototype Of construstor Property points to the constructor itself ）, because prototype Also have __proto__ Continue to look up the prototype object of the constructor , Form a prototype chain . The final __proto__ Point to Null
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Function And Object Relationship

Personal understanding : Object.prototype It's the top Prototype object ,Object.prototype Constructed Function.prototype.Function.prototype Construct out Function and Object. There are many disputes on the Internet . Only personal understanding （ All things are objects ）

Related topics

> console.log(Function instanceof Object) //true
> console.log(Object instanceof Function) //true
> console.log(Object.__proto__ === Function.prototype) //true
> console.log(Function.__proto__.__proto__ === Object.prototype;) //true
> //  Understand the picture above , None of this should be a problem   罒 ω 罒