gistfile1.txt

var options = '', i, len;

for (var i = 0, len = ddActionsMenuData.length; i < len; ++i) {
    options += '<option value="' + ddActionsMenuData[i].value + '">' +
                ddActionsMenuData[i].text + '</option>';
}

var div = document.createElement('div');
div.innerHTML = '<select name="foo">' + options + '</select>';

var sel = div.firstChild;