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想实现的是点击之后 自己隐藏 下一个兄弟元素显示，以此类推 可出现的结果是 后面的兄弟元素都显示， 求解！
效果：
执行代码部分：
出现的错误效果：
求解什么情况？
好好学习，天天向上！！！
jq hides itself and displays the next sibling element. An error occurs. What's the problem? -PHP Chinese website Q&A-jq hides itself, the next sibling element is displayed, an error occurs, what is the problem? -PHP Chinese website Q&A
Let’s take a look and learn.
var tag=("#menu_con .tag:visible"); tag.hide();if(tag.next().length==0){ $("#menu_con .tag").eq(0).show(); }else{ tag.next().show(); }
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
jq hides itself and displays the next sibling element. An error occurs. What's the problem? -PHP Chinese website Q&A-jq hides itself, the next sibling element is displayed, an error occurs, what is the problem? -PHP Chinese website Q&A
Let’s take a look and learn.
var tag=("#menu_con .tag:visible"); tag.hide();if(tag.next().length==0){ $("#menu_con .tag").eq(0).show(); }else{ tag.next().show(); }