ioscoder的专栏

摘自Object Oriented Javascript 一书基于临时函数的继承机制先上代码：/* Temporary constructor */function Shape() { }Shape.prototype.name = 'Shape';Shape.prototype.toString = function() { return this.name

每个对象都有一个隐蔽的__proto__属性每个函数都有一个prototype属性函数是对象每个原型都有一个constructor属性原型是对象对象的__proto__属性指向创建该对象的构造器的prototype当构造器的prototype改变后，记得要修改原型的constructor属性Object.prototype.__proto__  是nullObjec

/* Uber – access to the parent from a child object */function Shape() { }Shape.prototype.name = 'Shape';Shape.prototype.toString = function() { var uber = this.constructor.uber; return uber