我创建了自己的类<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<div id="myid" class="myclass">
<span class="AvGbtn" style="background-image: url(/uploads/articles/768eec43.jpg); background-size: 100% 100%;" rel="nofollow"></span>
<span class="AvGbtn" style="background-image: url(/uploads/articles/a79e6b78.jpg); background-size: 100% 100%;" rel="nofollow"></span>
<span class="AvGbtn" style="background-image: url(/uploads/articles/27570903.jpg); background-size: 100% 100%;" rel="nofollow"></span>
</div>，该类由两个变量my_class和a初始化。
如果有人试图用b创建一个my_class对象，我希望该对象只是a==b而不是type(a)。
如何实现？以下实现需要如何修改？
my_class