class storage{
    constructor(kay,value){
        this.key=this.key
        this.value=value
    }
    set(){
        window.localStorage.setItem(this.key,JSON.stringify(this.value))
    }
    get(){
        return JSON.parse(window.localStorage.getItem(this.key));
    }
}
let storage = new storage('key',[111,111])
console.log(stoage.get());