should help you out It seems the subject is registering subscribe() multiple times. Could you try unsubscribing the observable once the response through observable is returned back? Else, you may go for simpler way of creating a new observable during every intercept() call and return it instead to avoid multiple callbacks being registered.
method VS () => method() - Angular 2 done() callback function subscribe Observable RxJS
Any of those help That's because when you write this.loadQuestion you're passing a reference to the function loadQuestion but you'll be losing the this context. When you use the arrow function, the this context will be kept. You could also write this.loadQuestion.bind(this) to obtain a loadQuestion function with the this context fixed to the current one.
Angular jasmine test not able to trigger Observable created with fromEvent rxjs operator
wish of those help I have a Angular service which correctly return a JSON object via the Angular httpClient. Via an observable I want to read a value of the JSON object in a template in an input field via async. , I thought you almost had it the first time: