Angular 12 Httpclient jsonp - how to pass custom callback parameter?

Question

Angular 12 - Httpclient jsonp - how to pass custom callback parameter?

Here is the full app -> https://stackblitz.com/edit/angular-ivy-2zg5yt?file=src/app/geolocation.service.ts

geolocation-service.ts

import { Injectable } from '@angular/core';
import { Observable } from 'rxjs';
import { HttpClient } from '@angular/common/http';

@Injectable({
  providedIn: 'root'
})
export class GeolocationService {
  constructor(private httpClient: HttpClient) {}

  getLocation(): Observable<any> {
    return this.httpClient
      .jsonp<any>('https://geolocation-db.com/jsonp', 'callback')
      .pipe();
  }
}

Gives the following error:

How to change the callbackparam value to be - https://geolocation-db.com/jsonp?callback=callback but angular is defaulting it to https://geolocation-db.com/jsonp?callback=ng_jsonp_callback_1

Dinesh · Accepted Answer · 2021-09-07 23:37:07Z

1

Turns out this is not an issue in Angular Httpclient jsonp implementation. Instead, it is an issue in the https://geolocation-db.com/jsonp. which does not dynamically update the callback function name.

The same example works like a charm with http://ip-api.com/json

answered Sep 7, 2021 at 23:37

Dinesh

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1 Comment

Ben Racicot Over a year ago

I think this is the actual Angular/JSONP answer across the board. Submitting a MailChimp form worked one time then never again.

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