get all urls from all children of element

getUrlsFromChildren.js

/**
 * Plugin for Loading urls eg. href-attribute from children of an Element
 * may be to get all Links from a Navigation
 * 
 * @copyright   tomasiMEDIA 2013
 * @author      Dominik Tomasi
 * @date        09.10.13
 * 
 */
    (function($){

     //returns href-Attributes value of all children in an array
        $.fn.getHrefFromChildrenAsArray = function( elementSelector ){
            var $this = $(this);

            var data = [];
            var selector;
            if ( !elementSelector ){
                selector = 'a';
            } else {
                selector = elementSelector;
            }
            $this.find(selector).each(function(){
                data.push($(this).attr('href'))
            });
            return data;
        };


    //returns href-Attributes value of all children in an object
        $.fn.getHrefFromChildrenAsObject = function( elementSelector ){
            var $this = $(this);

            var data = {};
            var selector;
            if ( !elementSelector ){
                selector = 'a';
            } else {
                selector = elementSelector;
            }
            $this.find(selector).each(function(i){
                data[i] = $(this).attr('href');
            });
            return data;
        };

    })(jQuery);