Converts telephone numbers on a page to "tel:#" links for opening via a pc-phone

jquery.telephonify.js

(function($) {

    $.fn.Telephonify = function() {
        
        var patt = /\(?[2-9]\d{2}\)?[- ]?\d{3}[- ]?\d{4}/gi;
        
        return this.each(function() {
            var el = $(this);
            var html = el.html();
            var result = html.match(patt);

            function eliminateDuplicates(arr) {
                var i,
                  len = arr.length,
                  out = [],
                  obj = {};

                for (i = 0; i < len; i++) {
                    obj[arr[i]] = 0;
                }
                for (i in obj) {
                    out.push(i);
                }
                return out;
            }

            if (result) {
                var distinctArray = eliminateDuplicates(result);
                var compiled = html;
                
                jQuery.each(distinctArray, function(i, val) {
                    var phoneNum = val.replace(/[^0-9]/g, '');
                    compiled = html.replace(val, '<a href=tel:' + phoneNum + '>' + val + '<\/a>');
                    html = compiled;
                });
                
                el.html(compiled);
            }
        });
    };
})(jQuery);