ES6学习（12）class中的getter/setter

1. 使用getter和setter

class Animal {
  _name = 'dog';
  get name(){
      return this._name;
  }
  set name(val){
    if(val){
      this._name = val;
    }else{
      return false;
    }
  }
}
let cat = new Animal();
cat.name = 'cat';
console.log(cat);