JavaScript中通过prototype属性共享属性和方法的技巧实例_javascript技巧

//定义函数
function people(name,sex,age){
this.name = name;
this.sex = sex;
this.age = age;
}

//共享isStudent与sayName方法
people.prototype = {
isStudent:true,
sayName:function(){
alert(this.name);
}
}

var people1 = new people('韩梅梅','女',16); //实例化对象1
var people2 = new people('李磊','男',17); //实例化对象2

//通过共享的方法让两个对象说出自己的名字
people1.sayName();
people2.sayName();

//通过共享的参数判断他们都是学生
if(people1.isStudent == people2.isStudent)alert('他们都是学生');