Döviz kuru JS

doviz.html

<div id="dovizkuru">
      <div class="dolar">
         <div>USD</div>
         <div>Buying: <span class="buying"></span></div>
         <div>Selling: <span class="selling"></span></div>
      </div>
      <div class="altin">
         <div>Ounce Gold</div>
         <div>Buying: <span class="buying"></span></div>
         <div>Selling: <span class="selling"></span></div>
      </div>
   </div>

<script>
const proxyurl = "https://cors-anywhere.herokuapp.com/";
      const url = "https://finans.truncgil.com/today.json";
      var jqxhr = $.get(proxyurl + url, function () {
         console.log('success');
      })
         .done(function (data) {
            //console.log(data);
            $('#dovizkuru .dolar .buying').text(data["ABD DOLARI"]["Alış"]);
            $('#dovizkuru .dolar .selling').text(data["ABD DOLARI"]["Satış"]);
            $('#dovizkuru .altin .buying').text(data.Ons["Alış"]);
            $('#dovizkuru .altin .selling').text(data.Ons["Satış"]);
         })
         .fail(function () {
            console.log('error');
         })
         .always(function () {
            console.log('always');
         });
</script>