react18-学习笔记11-类class

class Animal{
    name: string
    constructor (name:string){
        this.name=name
    }
    run(){
        return `${this.name}`
    }
}
const snake=new Animal("geyao")

class Dog extends Animal{
    bark(){
        return `${this.name}`
    }
}
const dog=new Dog("geyao")