offsetting an html anchor to adjust for fixed header (*** WORKED - PROVED***)

offsetting an html anchor to adjust for fixed header

    (function($, window) {
        var adjustAnchor = function() {

            var $anchor = $(':target'),
                    fixedElementHeight = 120;

            if ($anchor.length > 0) {

                $('html, body')
                    .stop()
                    .animate({
                        scrollTop: $anchor.offset().top - fixedElementHeight
                    }, 250);

            }

        };

        $(window).on('hashchange load', function() {
            adjustAnchor();
        });

    })(jQuery, window);