Custom jQuery selector

custom_jquery_selector

$.expr[':'].internal = function (obj, index, meta, stack) {
    var $this = $(obj);
    var url = $this.attr('href') || '';
    var isInternalLink;

    // Check link
    isInternalLink = url.substring(0, rootUrl.length) === rootUrl || (/[^\:]/).test(url);

    // Ignore or Keep
    return isInternalLink;
};