how to append data value in dropdown jquery code example

Example 1: how to append values to dropdown using jquery

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 $.each(obj , function (key, value) {
                                $('#GroupName').append($('<option>',
                                    {
                                    value: value.id,
                                    text: value.Group_Name
                                }));

Example 2: To append dropdown option using jquery

$('#ddlGroup').append(new Option('Select group', '0'));