php - jquery autocomplete will not display data -

forgive me if not use correct terms, beginner @ , trying build own dynamic website. problem jquery autocomplete. cannot display data on webpage. have been reading forums , watching videos week. have tried dozens of scripts. nothing seems work.

this jquery works:

 </style>   <link rel="stylesheet" href="css/jquery-ui-1.11.4-themes- smoothness.css"> <script src="js/jquery-1.10.2.js"></script> <script src="js/jquery-ui-1.11.4-ui.js"></script>  <script type="text/javascript">  $(function() {  $( "#search_bars" ).autocomplete({ source: ['bob', 'ted', 'bruce', 'alice'], minlength: 2  }); }); </script> 

here jquery not work:

 <link rel="stylesheet" href="css/jquery-ui-1.11.4-themes-smoothness.css"> 

<script type="text/javascript">  $(function() {  $( "#search_bars" ).autocomplete({ source: 'js/ajax.php', minlength: 2  }); }); </script> 

here ajax.php code:

    <?php      include_once '../reviews.class2.php';      $reviews = new reviews();      echo json_encode($reviews->search_bars($_get['term']));      ?> 

and finally, here reviews.class2.php code:

<?php  require('connections/db_conn.php');?> <?php mysql_select_db($database_db_conn, $db_conn) or die("could not find db");  class  reviews { public function _construct(){     $dbhost = 'localhost';     $dbuser = 'root';     $dbpass = 'dbpassword';     $dbname = 'dbname';      mysql_connect($dbhost, $dbuser, $dbpass);      mysql_select_db($dbname);   } public function search_bars($name){     $data = array();      $sql = "select * listing name '%$name%' or city '%$name%' order name limit 10";      $result = mysql_query($sql) or die(mysql_error());       while ($row = mysql_fetch_array($result, mysql_assoc)){         $data[] = array("value" => $row['name'] . ' ' .                                    $row['city']);         }      return $data;     }     } 

when preview ajx.php page in browser, see json data this:

notice: undefined index: term in c:\xampp\htdocs\js\ajax.php on line 6  [{"value":"88?s dueling pianos hollywood"},{"value":"all stars sports bar , grill pompano beach"},{"value":"america?s backyard fort     lauderdale"},{"value":"american rock restaurant bar , grill deerfield beach"},{"value":"b.e.d. miami beach"},{"value":"bamboo beach fort lauderdale "},{"value":"bamboo room lake worth"},{"value":"bardot miami"},{"value":"beach betty?s dania beach"}, {"value":"best cellar wilton manors "}] 

the problem json data not showing in

please help!

i think had similar issue until overrode autocomplete styles...

<style type="text/css">     .ui-autocomplete { max-height: 150px; overflow-y: auto; overflow-x: hidden; font-size: 9pt; }     * html .ui-autocomplete { height: 100px; } </style>