[Aruta]

$(function () {
    var blockIds = JSON.parse(localStorage.getItem('blockIds')), $prevBlock;
    $.each(blockIds, function (i, id) {
        var $thisBlock = $('#' + id);
        $thisBlock.insertAfter($prevBlock);
        $thisBlock.find('.order_position').append($('#position' + (i + 1)));
        $prevBlock = $thisBlock;
    });
});
$(window).on('unload', function () {
    var blockIds = $('.order__wrap').map(function () { return this.id }).get();
    localStorage.setItem('blockIds', JSON.stringify(blockIds));
});

Вы - мой кумир в Jquery Спасибо огромное!