nt(code);
                        }
                        else if (xhr.status >= 400) {
                            code.textContent = '✖ Error ' + xhr.status + ' while fetching file: ' + xhr.statusText;
                        }
                        else {
                            code.textContent = '✖ Error: File does not exist, is empty or trying to view from localhost';
                        }
                    }
                };

                xhr.send(null);
            });
       