版本:2.0.0-alpha.26
- https://cdn.bootcdn.net/ajax/libs/angular./2.0.0-alpha.26/angular2.dev.
- https://cdn.bootcdn.net/ajax/libs/angular./2.0.0-alpha.26/angular2.
- https://cdn.bootcdn.net/ajax/libs/angular./2.0.0-alpha.26/angular2.min.
- https://cdn.bootcdn.net/ajax/libs/angular./2.0.0-alpha.26/angular2.sfx.dev.
- https://cdn.bootcdn.net/ajax/libs/angular./2.0.0-alpha.26/router.dev.