I write a page, submit it to the online backend via ajax, and then I can view the information submitted by others through the free backend. Is there such a free thing on the Internet?
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https://leancloud.cn/ This will satisfy you. It also supports data export and the like
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
