How to traverse tree structure data like this?
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認(rèn)證0級(jí)講師
Are you going to show the tree? No plug-in required? Such as ztree.js
This is a standard tree structure. It can be searched deeply or widely.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
