code: function hasAtLeastOneKey(target, attrs) {
      var attrsLen = attrs.length;
      var i = 0;
      var counter = 0;
      for (; i < attrsLen; i++) {
        if (target[attrs[i]] !== undefined) {
          counter++;
        }
      }
      return !!counter;
    }
docs: Checks if target object has at least one attribute from attrs array.
  
  @param  {Object}   target  Object to check for attributes
  @param  {Array}    attrs   Array of attributes
  
  @return {Boolean}