版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/dialog-polyfill/0.5.6/dialog-polyfill.css
- https://cdn.bootcdn.net/ajax/libs/dialog-polyfill/0.5.6/dialog-polyfill.js
- https://cdn.bootcdn.net/ajax/libs/dialog-polyfill/0.5.6/dialog-polyfill.min.css
- https://cdn.bootcdn.net/ajax/libs/dialog-polyfill/0.5.6/dialog-polyfill.min.js