JQuery parent tag not sticking

JQuery parent tag not sticking

References

Reference NO 1

http://stackoverflow.com/questions/15192205/jquery-parent-tag-not-sticking

Reference NO 2

http://stackoverflow.com/questions/7843472/parents-removeclass-not-working

Reference NO 3

http://stackoverflow.com/questions/4718877/jquery-add-remove-class-from-parent

Reference NO 4

http://stackoverflow.com/questions/6297041/jquery-add-class-functionality-not-working

Reference NO 5

http://stackoverflow.com/questions/4077098/jquery-toggleclass-not-working

Reference NO 6

http://andrewhenderson.me/tutorial/jquery-sticky-sidebar/

Reference NO 7

#EANF#

Reference NO 8

#EANF#