var person = {
head: "one",
hand: "two",
foot: "two",
run : function(){
console.log("running");
}
}
var Person = function(){//注意,首字母大写
this.head = "one",
this.hand = "two",
this.foot = "two",
this.run = function(){
alert("running");
}
}
var Joan = new Person();
document.write(Joan.run())// "running"
var Niki = new Person();
alert(Joan==Niki) //false;
console.log(Joan)
var Person = function(){//注意,首字母大写
this.head = "one",
this.hand = "two",
this.foot = "two"
}
Person.prototype.run = function(){
alert("running");
}
var Joan = new Person();
Joan.run()// "running"
alert(Joan.__proto__===Person.prototype)//'true'
var Niki = new Person();//"runing"
Person.prototype.run = function(){
alert("running running")
}
Joan.run()//"running running"
Niki.run()//"running running"
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