版本：16.4.0-alpha.7926752
- https://cdn.bootcdn.net/ajax/libs/react/16.4.0-alpha.7926752/cjs/react.development.js
- https://cdn.bootcdn.net/ajax/libs/react/16.4.0-alpha.7926752/cjs/react.production.min.js
- https://cdn.bootcdn.net/ajax/libs/react/16.4.0-alpha.7926752/umd/react.development.js
- https://cdn.bootcdn.net/ajax/libs/react/16.4.0-alpha.7926752/umd/react.production.min.js