vue 使用localStorage保存頁面變量到瀏覽器變量中

const STORAGE_KEY = 'todos-vuejs'//定義常量保存鍵值
export default{
   fetch(){
       return JSON.parse(window.localStorage.getItem(STORAGE_KEY)|| '[]');
   },
   save(items){
        window.localStorage.setItem(STORAGE_KEY,JSON.stringify(items))
    }
}