Solution: use position: sticky to create a dynamic top sucking effect:
Examples are as follows:
1 Before scrolling up the page:
2 After scrolling up the page:
In This way, the elements in the “This is TAB Main” section can always remain at the top of the page window.
3 Specific code: this code is actually implemented by position: sticky, top: xx (threshold) : add these two attributes to the elements that want to achieve the top effect.
Reference: www.ruanyifeng.com/blog/2019/1…