<script src="jquery.js"></script> 
<script src="jquery.fly.min.js"></script>

<div class="container">
<div class="demo clearfix">
<div class="per">
<img src="images/1.jpg" width="180" height="240" alt="圖片二"/>
<div class="title">aaa</div>
<a href="javascript:void(0);" class="button orange addcart">加入購物車</a>
</div>
<div class="per">
<img src="images/2.jpg" width="180" height="240" alt="圖片二"/>
<div class="title">bbb</div>
<a href="javascript:void(0);" class="button orange addcart">加入購物車</a>
</div>
</div>
</div>
<div class="cart-sidebar">
<div class="cart">
<i id="icon-cart"></i>
<span>購物車</span>
</div>
</div>
<div id="tip">成功加入購物車！</div>
<script>
$(function() { 
var offset = $("#icon-cart").offset(); 
$(".addcart").click(function(event) { 
var img = $(this).parent().children('img').attr('src'); //獲取當前點擊圖片鏈接 
var flyer = $('<img class="flyer-img" src="' + img + '">'); //拋物體對象 
flyer.fly({ 
start: { 
left: event.pageX,//拋物體起點橫坐標 
top: event.pageY //拋物體起點縱坐標 
}, 
end: { 
left: offset.left + 10,//拋物體終點橫坐標 
top: offset.top + 10, //拋物體終點縱坐標 
}, 
onEnd: function() { 
$("#tip").show().animate({width: '200px'},300).fadeOut(500);////成功加入購物車動畫效果 
this.destory(); //銷毀拋物體 
} 
}); 
}); 
});
<script>

<script src="requestAnimationFrame.js"></script>