You only need to watch which videos you should watch. The details need to be deducted by yourself. Basically, there are no videos that are very comprehensive.
html css js (main es3, part es5)
https://ke.qq.com/course/414780?taid=3622607346095164
https://ke.qq.com/course/346318
Advanced applications of array objects
https://www.cnblogs.com/zhengyb/p/10094683.html (This blog post is well written)
https://ke.qq.com/course/463999?taid=6000558939247743
Network part
https://blog.csdn.net/xun__xing/article/details/106615262
https://ke.qq.com/course/2233132
ajax
https://zhuanlan.zhihu.com/p/33809782
https://edu.aliyun.com/lesson_1747_14593?spm=5176.10731542.0.0.68594dcfhuxnx8#_14593
es6-11
https://www.bilibili.com/video/BV1Ai4y137cr?p=4
bootstrap ui framework
jQuery
https://www.bilibili.com/video/BV114411G7xZ?p=4
http://hemin.cn/jq/ manual
Git (a bit hard)
https://www.bilibili.com/video/BV1mJ411X7Hz
html5，css3
https://www.bilibili.com/video/BV1xb411x7Gs?from=search&seid=13357654626433191670
Modular
https://www.bilibili.com/video/BV18s411E7Tj?p=10
Three precompilers
webpack (look at the barrage to talk about it well)
https://www.bilibili.com/video/BV1e7411j7T5?p=5 Elementary
https://www.bilibili.com/video/BV1cv411C74F?p=8 Advanced
↑Do not learn react, start from p8
View
https://www.bilibili.com/video/BV15A411q7Vv
node
angular
react
Mini Program (front-end elective course, best to learn)