text: function _defineProperty(obj, key, value) {
      if (key in obj) {
          Object.defineProperty(obj, key, {
              value: value,
              enumerable: true,
              configurable: true,
              writable: true
          });
      } else {
          obj[key] = value;
      }
      return obj;
  }
  var _obj;
  //@target: ES6
  var v = (_obj = {
  }, _defineProperty(_obj, e, 1), _defineProperty(_obj, e + e, 2), _obj);
  