removeOrphan

(function($) {
    $.fn.removeOrphans = function() {
        $(this).each(function(index, element) {
            var $element = $(element);
            var html = $element.html();
            html = html.replace(/(\s)([\S])[\s]+/g, "$1$2 ");
            $element.empty().html(html);
        });
    }
})(jQuery);

$(function() {
    $('p, h1, h2').removeOrphans();
});