Angular SuggestBox is an AngularJS component (directive) which provides highly customizable dropdown list (combobox, multiselect, autocomplete, typeahead).
Example 1: Check selected items behaviour.
{{s.name}} 
Example 2: Hide selected items
{{s.name}} 
Example 3: allow duplicates
{{s.name}} 
Example 4: Free entries with adding to list.
{{s.name}} 
Example 5: Single item selection. Combobox behaviour. Free entries
{{s.name}}