{quot;namequot;:quot;\u767d\u5bcc\u7f8equot;,quot;sayquot;:quot;\u54b1\u4eec\u7ed3\u5a5a\u5427!quot;}不错，加油。可以考虑正序列遍历删除。

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    //找到男装下第一类衣服中的第一个p元素，并改变颜色

    //可以通过子类选择器  p:first-child 筛选出第一个p元素

    $('#menu_con div.tag dd>p:first-child').css('color','#9932CC');

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<script type="text/javascript">

    //找到男装下第一类衣服中的第一个p元素，并改变颜色

    //可以通过子类选择器  p:first-child 筛选出第一个p元素

   $('#menu_con div.tag dd>p:first-child').css("border","2px solid red")

</script><script type="text/javascript">

    //找到男装下第一类衣服中的第一个p元素，并改变颜色

    //可以通过子类选择器  p:first-child 筛选出第一个p元素

   $('#menu_con div.tag dd>p:first-child').css("border-radius","40px 40px";)

</script>

<script type="text/javascript">

    //找到男装下第一类衣服中的第一个p元素，并改变颜色

    //可以通过子类选择器  p:first-child 筛选出第一个p元素

   $('#menu_con div.tag dd>p:first-child').css("width","50px")

教程只是指出这个位置而已，那个不是代码实现的

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