Angular 6 - run method in service every 10 seconds

Question

I have this service using HttpClient to get some data :

checkData() {
    return this.http.get(\'my url\');
}

The on the footer component I

Answer 1

I am referring to angular 8:

Please note the difference between timer and interval.

You would use the timer if you want to delay a single function call but you want to use an invertal if you want to fire multiple function calls in sequence with a delay between: http://tutorials.jenkov.com/angularjs/timeout-interval.html

I found the following code snipped in this blog post: http://tutorials.jenkov.com/angularjs/timeout-interval.html

ngOnInit() {
    interval(5000)
      .pipe(
        startWith(0),
        switchMap(() => this.apiService.getTweets())
      )
      .subscribe(res => this.statuses = res.statuses})
    ;
  }