code: function keys(obj) {
      var keyList = [];
      for (var key in obj) {
          if (obj.hasOwnProperty(key)) {
              keyList.push(key);
          }
      }
      return keyList;
  }
docs: Get all object keys
  
  @export
  @param {object} obj Object to process
  @returns {Array<string>} List of object keys