// encode to scape spaces const esc = encodeURIComponent; const url = 'https://maps.googleapis.com/maps/api/geocode/json?'; const params = { key: "asdkfñlaskdGE", address: "evergreen avenue", city: "New York" }; // this line takes the params object and builds the query string const query = Object.keys(params).map(k => `${esc(k)}=${esc(params[k])}`).join('&') const res = await fetch(url+query); const googleResponse = await res.json()