javascript-自定义对象

function Person(){}
        var p = new Person(); //创建了一个Person对象了
        p.id = 110;
        p.name = "狗娃";

function Person(id,name){
            this.id = id;
            this.name = name;    
            this.say = function(){
                alert(name+"呵呵");    
            }
        }
    
        var p = new Person(110,"狗剩");    //创建对象
    

var p = new Object();
        p.id = 110;
        p.name = "铁蛋";

var p = {
            id:110,
            name:"狗娃",
            say:function(){
                alert(this.name+"呵呵");    
        }    
    }

document.write("编号："+ p.id+" 姓名："+ p.name);
p.say();