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getValue()

returns IDs of options which are currently selected in the Combo control

getValue(): string | number | (string | number)[];

Returns:

A string/number or an array with the ID(s) of the options from data collection that are currently selected in the control.

Example​

When the multiselection property of Combo control isn't specified or is set to false, the method returns a string/number value with the ID of the currently selected option:

const value = form.getItem("combo").getValue();
// -> "id_2"

If multiselection is enabled, the method returns an array of string/number values with the IDs of the currently selected options:

const value = form.getItem("combo").getValue();
// -> ['id_1', 'id_2']