Rx/js help

@Justin_H wrote:

Can someone please take a look at this and explain to me why the code works with the timeout observable return value and not the observal.of return value in the getCourses method.

https://plnkr.co/edit/91HdBT?p=preview
In this plnkr if you type something into the search box nothing happens but if you use the timeout return value and wait 5s it does work : /

 this.filteredCourses = <any>this.search.ionInput
        .debounceTime(400)
        .distinctUntilChanged()
        .flatMap((term:any) => Observable.of([{id:'abc'},{id:'bca'},{id:'cab'}]))//this.cSrv.searchCourses(term.target.value));

  getCourses(){
    //return Observable.timer(5000,0).first().map(v=>[{id:'abc'},{id:'bca'},{id:'cab'}]); //-- this works!
    return Observable.of([{id:'abc'},{id:'bca'},{id:'cab'}]);  //-- this doesn't!
  }

Thanks

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