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
shapes
taglet
sap-fiori
golint
jmap
flags
processors
datadog
opencv-features2d
timing-diagram
pycodestyle
iasyncresult
invertase
has-many-polymorphs
pygame-clock
tuner
google-analytics-r
unreal-engine5
reorderlist
phone-call
tron
django-syncdb
ply
abstract-syntax-tree
uitextfield
multidplyr
takesscreenshot
elasticsearch-bulk">elasticsearch-bulk
algorithmic-trading
qt5.11
elasticsearch-bulk