Edit in JSFiddle

var populateSelectBox = function (selectbox, dataArray) {
    dataArray.forEach(function (data) {
        selectbox.append("<option>" + data + "</option>");
    });
};

$(document).ready(function () {

    var dataArray = ["one", "two", "three", "four", "five"];

    var selectbox = $('#selectbox');
    populateSelectBox(selectbox, dataArray);
});
<select id="selectbox"></select>