prependRow.js

function prependRow($e) {
    var settings = $e.data('mdmTabularInput').settings;
    var counter = settings.counter++;
    var template = replace(settings.template, settings.replaces, counter);
    var $row = $(template);
    var $element = settings.container ? $e.find(settings.container) : $e;

    var event = $.Event('beforeAdd');
    $e.trigger(event, [$row]);
    if (event.result !== false) {
        $element.prepend($row);
        $e.trigger('afterAdd', [$row]);
        // add js
        if (settings.templateJs) {
            var js = replace(settings.templateJs, settings.replaces, counter);
            eval(js);
        }
        // validation for active form
        if (settings.formSelector && settings.validations && settings.validations.length) {
            var $form = $(settings.formSelector);
            var validations = $.extend(true, {}, settings.validations);
            $.each(validations, function () {
                var validation = this;
                $.each(['id', 'name', 'container', 'input'], function () {
                    validation[this] = replace(validation[this], settings.replaces, counter);
                });
                $form.yiiActiveForm('add', validation);
            });
        }
        $e.mdmTabularInput('rearrage');
    }
    return $row;
}

$('button').click(function () {
    prependRow($('#detail-grid'));
});