How to get the optgroup for a multiselect in jQuery?...

optgroup get in php label associated...

How to include a "Please select..." (default/prompt) in a grouped dropdown list?...

Easy way to quick select a whole optgroup in select box...

How to add optgroup to dropdown loop?...

Is it possible to make an option of a select dropdown appear as optgroup via css...

zend framework - Remove optgroup from select box...

Get the selected option list in array to send...

optgroup for select field - both group and option fields in same table. How can I do this?...

Categories and subcategories in optgroup...

jQuery: Easy way to quick select a whole optgroup in select box...

some jQuery/javascript help. Add items to optgroup...

WPF ComboBox "option group (optGroup)" type behaviour...

Check if optgroup by id/label exists in jquery?...