If you will try to run JS Bin examples, you will get a error “Rx is not defined”, I think You forgotten add RxJS lib in JS Bin <img width="885" alt="screen shot 2018-05-07 at 7 01 46 pm" src="https://user-images.githubusercontent.com/15065065/39708773-1e58d116-5229-11e8-9105-18925d5ef320.png">
If you will try to run JS Bin examples, you will get a error “Rx is not defined”,
I think You forgotten add RxJS lib in JS Bin