Angular 4 single API request running multiple times

Question

I am having issue regarding Angular 4 App. I have created an app in which data is getting from third party APIs. The issue I am getting is my APIs are calling for multiple t

Answer 1

This is a default browser feature. every time when you run a HTTP request your browser will run that twice one with a method you specified and other is for method OPTION where browser checks either that request is exist or not.