js代码

<script src="js/jquery.min.js"></script>
<script src="js/popup.js"></script>
<script>
$(function () {

  /**
	  ifDrag: 是否拖拽
	  dragLimit: 拖拽限制范围
   */
  $('#popup').popup({ifDrag: true, dragLimit: true});
  
});
</script>