js: 前端浏览器存储方案整理及其扩展库

方案/库	文档	简介
cookie	MDN	一个键值对形式的字符串
IndexedDB	MDN	IndexedDB 是一种底层 API，用于在客户端存储大量的结构化数据（也包括文件/二进制大型对象（blobs））
sessionStorage	MDN	数据在页面会话结束时会被清除
localStorage	MDN	存储的数据没有过期时间设置
localforage	官网	localForage is a JavaScript library that improves the offline experience of your web app by using an asynchronous data store with a simple, localStorage-like API.
Dexie.js	官网	A Minimalistic Wrapper for IndexedDB
PouchDB	官网	PouchDB is an open-source JavaScript database inspired by Apache CouchDB that is designed to run well within the browser.
idb	npmjs、github	IndexedDB, but with promises
IDB-Keyval	npmjs、github	A super-simple-small promise-based keyval store implemented with IndexedDB
JsStore	官网、github	JsStore is an IndexedDB Wrapper. It makes IndexedDB super easy with its SQL like apis.
Lovefield	官网、github	Lovefield is a relational database for web apps.