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摘要： 在上篇文章中,我们说过,原型对象也有缺点:function Person(){}Person.prototype={ name:"nUll", friends:["gay1","gay2"], sayName:function(){ alert(this.name); } };var person1=new Person();var person2=new Person();person1.friends.push("gay3");alert(person2.friends); //gay1,gay2,gay... 阅读全文

摘要： function Person(name,age,job){}Person.prototype.name="nUll";Person.prototype.age=25;Person.prototype.job="software";Person.prototype.sayName=function(){ alert(this.name); };var person1=new Person();person1.sayName(); //nUllvar person2=new Person();person2.sayName(); //nUllalert(p 阅读全文