open
Opens the popup.
Example
<input id="combobox" />
<script>
$("#combobox").kendoComboBox({
dataSource: [
{ id: 1, name: "Apples" },
{ id: 2, name: "Oranges" }
],
dataTextField: "name",
dataValueField: "id",
index: 1
});
var combobox = $("#combobox").data("kendoComboBox");
combobox.open();
</script>