var countries = ['United States', 'Canada', 'Argentina', 'Armenia'];
var cList = $('ul.mylist')
$.each(countries, function(i) {
var li = $('')
.addClass('ui-menu-item')
.attr('role', 'menuitem')
.appendTo(cList);
var a = $('')
.addClass('ui-all')
.text( this )
.appendTo(li);
});