localStorage、sesionStroage、cooki

1.localStorage

//增（改）
window.loacalStorage.setItem('key',keyValue);
//取
window.loacalStorage.getItem('key');
//删除
window.localStorage.removeItem('key')

2.sessionStorage

//增（改）
window.sessionStorage.setItem('key',keyValue);
//取
window.sessionStorage.getItem('key');
//删除
window.sessionStorage.removeItem('key')

3.cookie