I need to hide/show a certain option group (<optgroup>) conditionally and I've tried the top solution from this question - Select2: Hide certain options d
agroal
graph-coloring
jsobject
paperclip
search-path
factory
pygubu
back-stack
ppd
relational-database
dac
irfanview
actionscript
chancejs
actioncable
hyper-v
p4win
sim900
microsoft-ajax
mysql-error-2003
session-replication
multiuserchat
alternative-functor
magento-2.0
authentication
openoffice-writer
parted
php-extension
clientresource
hide
