Dies Irae

.navbar-custom .navbar-toggler {
    color: rgba(0, 0, 0, 0.5);
    border-color: rgba(0, 0, 0, 0.1);
}

.navbar-custom .navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(0, 0, 0, 0.5);
}

<?php
$myObj->user = "John";
$myObj->isAuth = "true";

$myJSON = json_encode($myObj);

echo $myJSON;
?>

var auth = false;
fetch('ajax.php')
  .then(function(response) {
    return response.json();
  })
  .then(function(res) {
      auth = res.isAuth;
      console.log("response: " + auth);
  })
  .catch(alert);
console.log("document ready: " + auth);

<script>
//Ваш код
</script>

const menu = document.getElementsByClassName('.menu-list')[0];

const click = document.querySelectorAll('.style'); 
const list = document.querySelectorAll('.menu'); 
if(target.className != click) return 
tumbler(target); 
}

if (list) { 
menu.classList.remove('.menu'); 
}

menu.classList.add('.menu'); 
if (list) { 
menu.classList.remove('.menu'); 
}

edit: function(id, news_id){
  $.post(dle_root + 'engine/ajax/controller.php?mod=user_upload', {id:id, news_id:news_id, action:'edit'}, function(response){
    if( response == 'not' ) DLEalert('Нет файла', dle_info);
    else if(response == 'not_owner') alert('Файл вам не пренадлежит');
    else{	
      var character_template = `<div id=\"${id}\" style=\"display:none;text-align:center;height:400px;min-height:400px;\">$[response]</div>`;
      $('body').append(character_template);
      $("#"+id).dialog({
        modal: false,
        autoOpen: true,
        width: '100%',
        resizable: false,
        dialogClass: "modalfixed"
        
      });
      $('.modalfixed.ui-dialog').css({position:"fixed"});
      $("#"+id).dialog( "option", "position", ['0','0'] );
    }
  });
  },