是否删除订单

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript">
   function del(){
       var flag = confirm("确认删除订单吗？")
       if(flag){
           alert("删除成功")
       }else{
           alert("取消删除")
       }
   }
</script>
</head>
<body>
   <input type="button" value="删除订单吗" onclick="del()">
</body>
</html>