Fill a list
HTML
<ul id="list"></ul>
JS
var fillList = function(array_of_options) {
$("#list").empty();
$.each(array_of_options, function(index, value) {
newli = $( "<li>" + value['some_field'] + "</li>" );
$("#list").append(newli);
});
}
Fill a dropdown list
HTML
<select id="options">
JS
var fillDropdown = function(array_of_options) {
$("#options").empty();
$.each(array_of_options, function(index, value) {
$("#options").append('<option value="' + value['some_field'] + '">' + value['another_field'] + '</option>');
});
}