问Bootstrap Typeahead仅允许列表值

EN

var myData = [...]; // This array will contain all your possible data for the typeahead

$("#my-type-ahead").typeahead({source : myData})
                   .blur(validateSelection);

function validateSelection() {
    if(source.indexOf($(this).val()) === -1) 
        alert('Error : element not in list!');
}

var myData = new Bloodhound({
    remote: {
        url: '/my/path/%QUERY.json',
        ajax: {
            complete: function(response){
                response.responseJSON.forEach(function (item) {
                    if (myData.valueCache.indexOf(item.value) === -1) {
                        myData.valueCache.push(item.value);
                    }
                });
            }
        }
    }
});
myData.valueCache = [];
myData.initialize();

$('#artists .typeahead').typeahead(null, {
    source: myData.ttAdapter()
}).bind('change blur', function () {
    if (myData.valueCache.indexOf($(this).val()) === -1) {
        $(this).val('');
    }
});

function validateSelection() {
    if ($.inArray($(this).val(), myData) === -1) 
        alert('Error : element not in list!');
}