Select2 dropdown but allow new values by user?

Question

I want to have a dropdown with a set of values but also allow the user to \"select\" a new value not listed there.

I see that select2 supports this if you are using

Answer 1

Thanks for the help guys, I used the code below within Codeigniter I I am using version: 3.5.2 of select2.

var results = [];
var location_url = ;
$('.location_select').select2({
    ajax: {
        url: location_url,
        dataType: 'json',
        quietMillis: 100,
        data: function (term) {
            return {
                term: term
            };
        },
        results: function (data) {
            results = [];
            $.each(data, function(index, item){
                results.push({
                    id: item.location_id,
                    text: item.location_name
                });
            });
            return {
                results: results
            };
        }
    },
    //Allow manually entered text in drop down.
    createSearchChoice:function(term, results) {
        if ($(results).filter( function() {
            return term.localeCompare(this.text)===0; 
        }).length===0) {
            return {id:term, text:term + ' [New]'};
        }
    },
});