How to populate data from JSON using AJAX in TypeScript? [closed]

using $.getJSON Jquery function you can load JSON data from the server using a GET HTTP request.

/////
     private rssValidate() {
        var base=this;
          if(base.$rootSelector.length!==0) {

                var jsonUrl = base.$rootSelector(base.$rootSelectionString).attr('data-url'); 
                $.getJSON(jsonUrl, function(data) {
                  console.log(data);
                });
            }
        }   
        }
///////

hope this help