php - Json_encode data using JSON.parse in javascript -

php file

<?php     include"connection.php";     $id = $_get['edit'];     // echo $id;      $sql = "select * form id=$id";     $result = $conn->query($sql);      $row=$result->fetch_assoc();     $json_res=array();     $json_res = array('user'=>($row));     echo json_encode($json_res);      $conn->close(); ?> 

javascript file

<script type="text/javascript"> function loadup(str){      var xmlhttp;     if (window.xmlhttprequest)     {// code ie7+, firefox, chrome, opera, safari         xmlhttp=new xmlhttprequest();     }     else     {// code ie6, ie5         xmlhttp=new activexobject("microsoft.xmlhttp");     }     xmlhttp.onreadystatechange=function()     {         if (xmlhttp.readystate==4 && xmlhttp.status==200)         {             // var json = '{"user":[{"id":"45","name":"dfgmohan","loc":"cherthala","dist":"alappuzha","phone":"456","email":"fgdfgh@gmail.c","gender":"male","proofid":"2","sslc":"sslc","plus2":"plus 2","degree":"degree","pg":""}]}';              var x=xmlhttp.responsetext;                                  var json1=json.parse(x);             alert(json1.user[0].id);             alert(json1.user[0].name);              document.getelementbyid("myd").innerhtml=json1;         }     }       xmlhttp.open("get","plain.php?edit="+str,true);     xmlhttp.send(); }  </script> 

why cant alert this?

alert(json1.user[0].id); alert(json1.user[0].name); 

when try alert it, no alert message shown.

when alert message, shown before parsing code after not executing. code stuck on parse code line. how resolve problem?

<?php  include"connection.php"; $id = $_get['edit']; // echo $id;   $sql = "select * form id=$id"; $result = $conn->query($sql);  $row = $result->fetch_assoc(); $json_res = array();  array_push($json_res, $row);   echo json_encode($json_res);      $conn->close(); ?> 

javascript file contains

<script type="text/javascript">             function loadup(str) {                  var xmlhttp;                 if (window.xmlhttprequest)                 {// code ie7+, firefox, chrome, opera, safari                     xmlhttp = new xmlhttprequest();                 }                 else                 {// code ie6, ie5                     xmlhttp = new activexobject("microsoft.xmlhttp");                 }                 xmlhttp.onreadystatechange = function ()                 {                     if (xmlhttp.readystate == 4 && xmlhttp.status == 200)                     {                         //var json = '{"user":[{"id":"45","name":"raj mohan","loc":"cherthala","dist":"alappuzha","phone":"9846320121","email":"rajmohan6535@gmail.c","gender":"male","proofid":"2","sslc":"sslc","plus2":"plus 2","degree":"degree","pg":""}]}';                          var x = xmlhttp.responsetext;                          var json1 = json.parse(x);                         document.getelementbyid("mydiv").innerhtml = "id : "+json1[0].id;                        document.getelementbyid("myd").innerhtml = "name : "+json1[0].name;                        }                 }                  xmlhttp.open("get", "plain.php?edit=" + str, true);                 xmlhttp.send();             }          </script> 

when give respomce please sure there no html contains in page of php file ... commented lines.. give response , cant parse response text careful ... when pass response php dnt add or comment html contains in php (server hitting page)

i think may u can understand answer ..if not please kindly forgive me.. communication low in english thats y ..

to check if html contains included in responce u alert responce in javascript shows html contains response php have html contains thats y cant parse .....