added prototype chaining image
added closure explanation
code explanation of closure
added closure scope image
added closure performance
added summary of dom event inheritance
updated memoization
might remove animation but modified
might remove scroll modified little bit
moved jank as section header
moved scrollTo
merged two rfa
moved scroll scary
moved ref about scroll
moved some more ref
move more ref
modified junk text to points
combined multiple animation together
added animation basics
animation fine tuned