I'm using angular 8. And I'm sending an Esri request to a specific Url.
Here's as snippet of my Code:

Here's the error I'm having when trying to view the response returned by the request:

After googling it, I found out that the response returned by the Esri Request is nothing but the HTML page of the Data I want, and not a Json of the Data.
Here's the response:

So what's the wrong thing I'm doing here ??