[docs] Add animation performance advice
What does this MR do?
docs for animations that don't trigger layout
Are there points in the code the reviewer needs to double check?
Things I wanted to doc:
- prefer transforms
- both in CSS and in JS (e.g
$.css
orel.style
)
Why was this MR needed?
we have some janky animations
Does this MR meet the acceptance criteria?
-
Documentation created/updated - Review
-
Has been reviewed by Frontend
-
-
Conform by the style guides