jquery highlight () quebrando na tabela dinâmica

$(function(){
    $("#description").keydown(function(){
        delay((function(){
        var divClone = $("#disp_hidden .serial_display").clone();
        $("#displayer .serial_display").replaceWith(divClone);
                if ($.trim($('textarea#description').val()) != ''){
                var1 = $('textarea#description').val().trim().split(' ');
            for (var i=0;i<var1.length;i++){
            $("#displayer *").highlight(var1[i], "highlight")};
            };
        }),1000);
        });
        });