How to trigger a function in Javascript or jquery after i scroll a certain distance from top of the page or bottom?

Question

Javascript challenge

Answer 1

https://www.w3schools.com/jsref/prop_element_scrolltop.asp

pixels.

Answer 2

https://www.w3schools.com/jsref/event_onscroll.asp

see the examples. answers to your challenge await :)

Answer 3

Use onscroll event with scrollTop to check for distance from top in pixel
https://code.sololearn.com/WwH4sj1zm5B3/?ref=app

Answer 4

Can we use 'em' or percentage value in '' scrollTop'' function?

Answer 5

Great snippet dude@Calvin

Answer 6

Thanks bro @Jay, searching it for 2 days.