At the middle of 22 minutes of the video, there are 9 pieces of data displayed, 2 pieces of data are displayed on each page. Logically, there should be 5 pages of paging, but the paging function in the teaching video only displays three pages.
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emm... In the video, it's not that there is a bug, it's just that the function is not fully implemented.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
