add

Adds an item to the widget.

Example

<select id="listBox"></select>
<script>
$("#listBox").kendoListBox({
     dataSource: {
        data: [
            { name: "Jane Doe" },
            { name: "Sam Doe" }
        ]
    },
    template: "<div>#:name#</div>"
});
var listBox = $("#listBox").data("kendoListBox");
var person = {name: "Bob Doe"};
listBox.add(person);
</script>

Example

<select id="listBox"></select>
<script>
    var Product = kendo.data.Model.define({
        id: "ProductID",
        fields: {
            ProductName: {
                type:"string"
            }
        }
    });

    var dataSource = new kendo.data.DataSource({
        data:[
            {ProductID:1, ProductName:"Apples"},
            {ProductID:2, ProductName:"Oranges"},
        ],
        schema: {
            model: Product
        }
    });

    $("#listBox").kendoListBox({
        dataSource: dataSource,
        dataTextField:"ProductName",
        dataValueField:"ProductID"
    });

    var listBox = $("#listBox").data("kendoListBox");
    var item = new Product({ProductName:"Bananas"});
    listBox.add(item);
</script>