MapQuest API Fetch

If you get the same result as the demo on

https://developer.mapquest.com/documentation/geocoding-api/address/get

then the code is this

https://jsfiddle.net/mplungjan/s1qxbpcr/

const { lat, lng } = data.results[0].locations[0].displayLatLng;

console.log(lat,lng)

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const data = JSON.stringify(response);

const dataParse = JSON.parse(data);               

I have to stringify & then parse to make it working.

Anyway I can make it better? When I just JSON.parse, it does not work
               

function FindGeoCode() {
            //https: reqbin.com / code / javascript
            var apiUrl = 'https://www.mapquestapi.com/geocoding/v1/address?key=WOKB46QrlGikgp25oTcLmFByeUHr6slI&location=Washington,DC';
         fetch(apiUrl,
                {
                    method: 'GET',
               headers:
               {
                        'Accept': 'application/json',
                    },
                })
            .then(response => response.json())


            .then(response => {
               const data = JSON.stringify(response);
               const dataParse = JSON.parse(data);               
               const { lat, lng } = dataParse.results[0].locations[0].displayLatLng;               
               alert("Found Your selected Geo, and we will redirect you " + lat + ' ' + lng);
                    location.href = "listing-Agency.html?lat="+lat+"&lng="+lng;
            }
            )
           }

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I am very new about this. if you can teach me more, I will appreciate it

Sure, what do you need to know?
I assume the code I posted worked for you since you accepted the comment as answer?