javascript - How can I display a success message after the user submit the form -

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        $('input[type="submit"]').click(function(){             reseterrors();             $.each($('form input, form textarea, form select'), function(i, v){                 if(v.type !== 'submit'){                     data[v.name] = v.value;                 }             });             $.ajax({                 datatype: 'json',                 type: 'post',                 url: 'libs/contact.php',                 data: data,                 success: function(resp){                     if(resp === true){                         $('form').submit();                         if(status == "success"){                             console.log('success')                         }                         return false;                     } else {                         $.each(resp, function(i, v){                             console.log(i + " => " + v);                             var msg = '<label class="error" for"' +i+ '">' +v+ '</label>';                             $('input[name="' +i+ '"], textarea[name="' +i+ '"], select[name="' +i+ '"]').addclass('inputtexterror').after(msg);                         });                         var keys = object.keys(resp);                         $('input[name="' +keys[0]+ '"]').focus                     }                     return false;                 },                 error: function(){                     console.log('there problem checking fields');                 }              });             return false;         });     });         function reseterrors(){             $('form input, form textarea').removeclass('inputtexterror');             $('label.error').remove();     }

here's code have tried still ain't working plz i'm doing validation on server i'm using ajax display errors display success message it's little bit confusing

here's php code 

require_once('phpmailer/phpmailerautoload.php');  $errors = [];  if(isset($_post['name'], $_post['email'], $_post['number'], $_post['message'])){     $fields = [         'name' => $_post['name'],         'email' => $_post['email'],         'number' => $_post['number'],         'message' => $_post['message']     ];     if(empty($fields['name'])){         $errors['name'] = 'come on have name right?';     }     if(empty($fields['email'])){         $errors['email'] = 'yes right, need email contact you';     }      if(empty($fields['number'])){         $errors['number'] = 'we need number';     }      if(empty($fields['message'])){         $errors['message'] = 'you have come far sure have right';     }     if(count($errors) > 0){         if ( !empty($_server['http_x_requested_with']) && strtolower($_server['http_x_requested_with']) == 'xmlhttprequest' ){             echo json_encode($errors);             exit;         }          echo "<ul>";         foreach($errors $key => $value){             echo '<li>' . $value . '</li>';         }         echo '</ul>';         exit;     }     /*foreach($fields $field => $data){         if(empty($data)){             $errors[] = 'the ' . $field . ' field required.';         }     }*/     if(empty($errors)){         $m = new phpmailer;          $m->issmtp();         $m->smtpauth = true;          $m->host = 'smtp.gmail.com';         $m->username = '';         $m->password = '';         $m->smtpsecure = 'ssl';         $m->port = 465;          $m->ishtml();          $m->subject = 'contact form submitted';         $m->body = 'from: ' . $fields['name'] . '(' .$fields['email'] . ')<p>' . $fields['message'] . '</p><p>' . $fields['number'] . '</p>';          $m->fromname = 'contact';          $m->addreplyto($fields['email'], $fields['name']);          $m->addaddress('');          if($m->send()){             header('location: ../contact.php');             die();         } else {             $errors[] = 'sorry not send email. try again later.';         }     } } else {     echo 'oops went wrong'; }  $_session['errors'] = $errors; $_session['fields'] = $fields;  header('location: ../contact.php');

it's hard find out what in code, guess should work changes i've made.

jquery / ajax 

success: function(resp){     if(resp === 'success'){         console.log('success');         $('form').submit();         return false;     } else {         $.each(resp, function(i, v){             console.log(i + " => " + v);             var msg = '<label class="error" for"' +i+ '">' +v+ '</label>';             $('input[name="' +i+ '"], textarea[name="' +i+ '"], select[name="' +i+ '"]').addclass('inputtexterror').after(msg);         });         var keys = object.keys(resp);         $('input[name="' +keys[0]+ '"]').focus     }     return false; }

php

<?php  if(isset($_post['name'], $_post['email'], $_post['number'], $_post['message'])){     $errors = array();     $fields = [         'name' => $_post['name'],         'email' => $_post['email'],         'number' => $_post['number'],         'message' => $_post['message']     ];     if(empty($fields['name'])){         $errors['name'] = 'come on have name right?';     }     if(empty($fields['email'])){         $errors['email'] = 'yes right, need email contact you';     }      if(empty($fields['number'])){         $errors['number'] = 'we need number';     }     if(empty($fields['message'])){         $errors['message'] = 'you have come far sure have right';     }     if(count($errors) > 0){         if ( !empty($_server['http_x_requested_with']) && strtolower($_server['http_x_requested_with']) == 'xmlhttprequest' ){             echo json_encode($errors);             exit;         }          echo "<ul>";         foreach($errors $key => $value){             echo '<li>' . $value . '</li>';         }         echo '</ul>';         exit;     }     /*foreach($fields $field => $data){         if(empty($data)){             $errors[] = 'the ' . $field . ' field required.';         }     }*/     if(empty($errors)){         $m = new phpmailer;          $m->issmtp();         $m->smtpauth = true;          $m->host = 'smtp.gmail.com';         $m->username = '';         $m->password = '';         $m->smtpsecure = 'ssl';         $m->port = 465;          $m->ishtml();          $m->subject = 'contact form submitted';         $m->body = 'from: ' . $fields['name'] . '(' .$fields['email'] . ')<p>' . $fields['message'] . '</p><p>' . $fields['number'] . '</p>';          $m->fromname = 'contact';          $m->addreplyto($fields['email'], $fields['name']);          $m->addaddress('hello@jilstudios.com', 'jil studios');          if($m->send()){             echo 'success';         } else {             $errors[] = 'sorry not send email. try again later.';         }     } } else {     echo 'oops went wrong'; }  $_session['errors'] = $errors; $_session['fields'] = $fields;  header('location: ../contact.php');  ?>

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