Default Bootstrap Dropdown behavior:
Scrollable Bootstrap Dropdown Using Default Browser Scrollbar:
Scrollable Bootstrap Dropdown Using jQuery malihu custom scrollbar plugin :
Scrollable Bootstrap Dropdown Using jQuery malihu custom scrollbar plugin With Header And Footer:
Scrollable Bootstrap Dropdown Using Default Browser Scrollbar with Header And Footer:
Scrollable Bootstrap Dropdown Using Default Browser Scrollbar With update dropdown-toggle after select:
Scrollable Bootstrap Dropdown Using Default Browser Scrollbar With update text field after select: