<style>

         div {

             position: absolute;

             width: 200px;

             height: 200px;

             background-color: pink;

         }

     </style>

     <button>动起来</button>

     <div></div>

     <script>

         $(function () {

             $("button").click(function () {

                 $("div").animate({

                     left: 500,

                     top: 300,

                     opacity: .4,

                     width: 500

                 }, 500);

             })

         })

     </script>