//es5
let Animal = function(type){
this.type = type
}
Animal.prototype.eat = function (){
console.log('eat food')
}
let dog = new Animal('dog')
let monkey = new Animal('monkey')
monkey.constructor.prototype.eat = function (){
console.log('eating')
}
dog.eat()
monkey.eat()
//es6
class Animal{
constructor(type){
this.type = type
}
eat(){
console.log('eating')
}
}
let dog = new Animal('dog')
let monkey = new Animal('monkey')
console.log(dog)
console.log(monkey)
dog.eat()
monkey.eat()
语法糖:语法不同,效果一样
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 [email protected] 举报,一经查实,本站将立刻删除。