版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/sisyphus.js/1.1.3/sisyphus.js
- https://cdn.bootcdn.net/ajax/libs/sisyphus.js/1.1.3/sisyphus.min.js
Gmail-like client-side drafts and bit more. Plugin developed to save html forms data to LocalStorage to restore them after browser crashes, tabs closings and other disasters.