Display loading while using Observable with Async pipe in template

Question

Situation: I am using FirebaseObjectObservable to populate my Ionic 2 (rc0) template. Template code:

  
{{(course | async)?.des         


        

Answer 1

You could do something like this:

  
{{(course | async)?.description}}
  

  
Learning Objectives
  
loading objectives...
  

    
{{objective.text}}
  
  
Takeaway
  
loading takeaways...
  

    
{{takeaway.text}}