jquery smooth scroll to an anchor?

  

 $(".scroll").click(function(event) {

                event.preventDefault();

                //calculate destination place

                var dest = 0;

                if ($(this.hash).offset().top > $(document).height() - $(window).height()) {

                    dest = $(document).height() - $(window).height();

                } else {

                    dest = $(this.hash).offset().top;

                }

                //go to destination

                $('html,body').animate({ scrollTop: dest }, 1000, 'swing');

      });

<a class="scroll" href="#destination1">Destination 1</a>

<div id="destination1">

  ....

  ....

  ...

  ...

  ...

  

 </div>