How do i fade in an image to my html page using jquery?

Answer 1

Why using JQuery for that?
You can advantageously use only pure Css for this purpose:

https://code.sololearn.com/WlkjRum5ePcG/?ref=app

... and at least use JS (maybe JQuery if you want, but not necessarly) only for handling css classes (assigning, retriving) only if needed (if no pure css solution)...