详解JavaScript基于面向对象之继承实例

window.onload = function(){  function parent(age,name){   this.age = age;   this.name = name;  }  parent.prototype.show = function(){   alert('父级方法');  }  function child(age,name,job){   parent.apply(this,arguments);   this.job = job;  }  (function(){   for(var i in parent.prototype){   child.prototype[i]=parent.prototype[i]  }  })();  var b = new parent(14,'侠客行');  var a = new child(15,'狼侠','侠客');  a.show(); }