text: function XHR(url) {
      return new Promise(function(resolve, reject) {
          var xhr = new XMLHttpRequest();
          xhr.open('GET', url);
  
          xhr.onload = function() {
              if (xhr.status === 200) {
                  resolve(xhr.responseText);
              } else {
                  reject(new Error(xhr.statusText));
              }
          };
  
          xhr.onerror = function() {
              reject(new Error("Network Error"));
          };
  
          xhr.send();
      });
  }
  
  module.exports = XHR;
  