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