style - Githubissues

ynchuan / blog

https://github.com/ynchuan/blog/issues

http://ynchuan.github.io/blog

0 stars 0 forks source link

Open ynchuan opened 4 years ago

ynchuan commented 4 years ago

position:fixed 相对window窗口定位，大小与缩放窗口一样，z-index参与层级规则排序，即同级层级高则高，不同层级可通过寻找offsetParent找到同级，再次比较