打字机 typing 效果

Typed.js

https://github.com/mattboldt/typed.js/

纯 CSS 实现

https://www.zhangxinxu.com/wordpress/2019/01/css-typewriter-effect/

突破本地离线存储 5M 限制的 JS 库 localforage

https://github.com/localForage/localForage

简介

https://www.zhangxinxu.com/wordpress/2018/06/js-localforage-localstorage-indexdb/