滑鼠點選特效點選滑鼠頁面就會顯示出不同顏色的文字

<script src="https://libs.baidu.com/jquery/1.11.1/jquery.min.js"></script>
    <script type="text/javascript">
 /* 滑鼠特效 */
 jQuery(document).ready(function($) {
     $("body").click(function(e) {
         var a = new Array("快樂","天真","無憂","幸福","純真","活潑","純潔");

        
 
var max = a.length;
        var min = 0;
        var num = Math.floor(Math.random()*(max-min+1)+min);

        
         var $i = $("<span></span>").text(a[num]);
         var x = e.pageX,
         y = e.pageY;
        $i.css({
            "z-index": 999999999,
            "top": y - 20,
             
 
"left": x,
            "position": "absolute",
           "font-weight": "bold",           
           "color": "rgb("+~~(255*Math.random())+","+~~(255*Math.random())+","+~~(255*Math.random())+")"
      });
         $("body").append($i);
         $i.animate({
             "top": y - 180,
            
 
"opacity": 0
       },
        1500,
         function() {
           $i.remove();
        });
    });
 });
</script>