1 $(function(){ 2     $("input[type=button]").click(function(){ 3       var txt=$("input[type=text]").val(); 4       if($.trim(txt)!=""){ 5   6         $("table tr:not('#theader')").hide().filter(":contains('"+txt+"')").show().css("background","red"); 7       }else{ 8         $("table tr:not('#theader')").css("background","#fff").show(); 9       }10     });11   })