版本：2.3.1
- https://cdn.bootcdn.net/ajax/libs/alpinejs/2.3.1/alpine-ie11.js
- https://cdn.bootcdn.net/ajax/libs/alpinejs/2.3.1/alpine-ie11.min.js
- https://cdn.bootcdn.net/ajax/libs/alpinejs/2.3.1/alpine.js
A rugged, minimal framework for composing JavaScript behavior in your markup.