JavaScript继承写法 - Rocky的前端

构造函数＋原型法

function person(name,age){    this.name = name;    this.age = age;}person.prototype.say = function(){    console.log(this.name+":"+this.age);}function superman(name,age){    person.call(this,name,age);}superman.prototype = new person();superman.prototype.fight = function(){    this.say();    console.log("fighting...");}var s = new superman('superman',29);s.fight();