scrollTop, scrollHeight, offsetHeight, clientHeight

[lesenelir]

https://segmentfault.com/a/1190000016554851

https://seven777777.github.io/myblog/work/2020/08/19/some-height/

[lesenelir]

对于包含滚动条的容器：

• 如果想让该容器位于视口的最上方，应设置 scrollTop = scrollHeight

• 如果想让该容器在视口的位置开始显示，应设置 scrollTop = 0

[lesenelir]