版本：2.5.6
- https://cdn.bootcdn.net/ajax/libs/layui/2.5.6/layui.all.js
- https://cdn.bootcdn.net/ajax/libs/layui/2.5.6/layui.all.min.js
- https://cdn.bootcdn.net/ajax/libs/layui/2.5.6/layui.js
- https://cdn.bootcdn.net/ajax/libs/layui/2.5.6/layui.min.js
Classic modular front-end component library