1.jQuery Validate http://www.runoob.com/jquery/jquery-plugin-validate.html
2.哈希头像生成器(GitHub头像生成) https://blog.csdn.net/u012959498/article/details/69429288
3.AdminLTE(后台模版) https://adminlte.io/
4.LeetCode(刷题) https://leetcode-cn.com/
5.
原文：https://www.cnblogs.com/yadongliang/p/9214725.html