docs: function (xhr) {
          this.xhr = xhr;
          this.status = xhr.status;
          this.$nativeResponseHeaders = xhr.getAllResponseHeaders();
          this.responses = {};
  
          var xml = xhr.responseXML;
  
          // Construct response list
          if (xml && xml.documentElement) {
              this.responses.xml = xml;
          }
          this.responses.text = xhr.responseText;
  
          try {
              this.statusText = xhr.statusText;
          } catch (e) {
              this.statusText = "";
          }
      }