JAVASCRIPT

add option to select jquery

$("#selectList").append(new Option("option text", "value"));

jquery insert option into select

$('#ID_DO_SELECT').append('<option value="valor">texto</option>');

add option to select jquery

$.each(items, function (i, item) {
    $('#mySelect').append($('<option>', { 
        value: item.value,
        text : item.text 
    }));
});

add select option jquery

Add option to a select list of picklist