201708291826_ JavaScript prototype, __proto__, constructor ko!!!!!! 》

/**-------------------------------------------------------------------------------*   [email protected]    2017-8-29 19:03*-------------------------------------------------------------------------------*  1. Prototype, constructor are all attributes; *  2. Different points: Prototype is a constructor attribute, an object; *            constructor is a new instance property, is a function; *  3. Constructor points to the constructor (constructor); *  4. Constructor is also the attribute of the constructor (prototype); *  5. The __proto__ of the instance points to the constructor prototype; */function Fn () { };var f = new FN (); Console.log (Fn.prototype.constructor = = = fn);   Trueconsole.log (f.__proto__ = = = Fn.prototype);    Trueconsole.log (F.__proto__.constructor = = = Fn);    Trueconsole.log (F.constructor = = = Fn);    True

　　

201708291826_ JavaScript prototype, __proto__, constructor ko!!!!!! "