kendo ui

kendo.js

// kendo autocomplete and delete for not select item
 $("#kendoList").kendoAutoComplete({
                dataTextField: "ten",
                dataSource: dataSource,
                placeholder: 'aaa',
                filter: "contains",
                select(e) {
                    var item=e.item.index();
                },
                change() {
                    var found = false;
                    var value = this.value();
                    var data = this.dataSource.view();
                    for (var idx = 0, length = data.length; idx < length; idx++) {
                        if (data[idx][this.options.dataTextField] === value) {
                            found = true;
                            break;
                        }
                    }

                    if (!found) {
                        this.value("");
                    }
                }
            });