原型链

King丨小义

1. var obj = new Object();
   
2.   function Fn(){}
   
3.   fn = new Fn();
   
4.   /**************/
   
5.   console.log(Object.prototype.__proto__ === null);
   
6.   console.log(Object.prototype === obj.__proto__);
   
7.   console.log(Fn.prototype === fn.__proto__);
   
8.   console.log(Fn.prototype.__proto__ === Object.prototype);
   
9.   console.log(Function.prototype === Function.__proto__);
   
10.   console.log(Fn.__proto__ === Function.prototype);
    
11.   console.log(Object.__proto__ === Function.prototype);
    
12.   console.log(Function.prototype.__proto__ === Object.prototype);

复制代码