版本：1.2.1
- https://cdn.bootcdn.net/ajax/libs/Sortable/1.2.1/Sortable.js
- https://cdn.bootcdn.net/ajax/libs/Sortable/1.2.1/Sortable.min.js
Minimalist JavaScript library for reorderable drag-and-drop lists on modern browsers and touch devices. No jQuery. Supports AngularJS and any CSS library, e.g. Bootstrap.