var TaskDb = [ { 'lable': "some stuff", 'progress': 0.5 },{ 'lable': "some other stuff", 'progress': 0.2 },{ 'lable': "fun stuff", 'progress': 0.75 }, ] class Database{ getTasks(){ return TaskDb; } addTask(task){ TaskDb.push(task); } updateTask(id, task){ TaskDb[id] = task } removeTask(id){ for(let i=id+1; i