W3school:https://www.w3school.com.cn/h.asp
菜鸟教程:https://www.runoob.com/html/html-tutorial.html
小甲鱼HTML5速查手册:https://man.ilovefishc.com/html5/
【HTML学习日志】html回顾
原文:https://www.cnblogs.com/shuranima/p/13394398.html