Scroll animate jquery

$('a[href^="#"]').on('click',function (e) {
        e.preventDefault();

        var target = this.hash;
        var $target = $(target);

        $('html, body').stop().animate({
            'scrollTop': $target.offset().top
        }, 900, 'swing', function () {
            window.location.hash = target;
        });
    });

<a href="#services">Jump to services</a>
<div id="services">
</div>

Stop Anchor Being Included In URL
$('html, body').stop().animate({
     'scrollTop': $target.offset().top
}, 900, 'swing');