版本：5.1.0
- https://cdn.bootcdn.net/ajax/libs/screenfull.js/5.1.0/screenfull.d.ts
- https://cdn.bootcdn.net/ajax/libs/screenfull.js/5.1.0/screenfull.js
- https://cdn.bootcdn.net/ajax/libs/screenfull.js/5.1.0/screenfull.min.js
Simple wrapper for cross-browser usage of the JavaScript Fullscreen API