版本：16.0.0-alpha.4
- https://cdn.bootcdn.net/ajax/libs/react/16.0.0-alpha.4/react-with-addons.js
- https://cdn.bootcdn.net/ajax/libs/react/16.0.0-alpha.4/react-with-addons.min.js
- https://cdn.bootcdn.net/ajax/libs/react/16.0.0-alpha.4/react.js
- https://cdn.bootcdn.net/ajax/libs/react/16.0.0-alpha.4/react.min.js