<input type="text" id="tags" class="form-control" />
<script type="text/javascript">
$(document).ready(function() {
    $('#tags').tagsinput({
      typeahead: {
        source: ['[online]', '[max]'],
    		afterSelect: function() {
    			this.$element[0].value = '';
    		}
      }
    });
});
</script>