Обработчик и отправка данных в базу с этого кода const subscribe = (callback) => { let count = 0; return () => { count++; localStorage.setItem('count', count); callback(count); }; }; const counter = subscribe(count => { document.querySelector('#counter').textContent = count; }); document.querySelector('.subscribes').addEventListener('click', counter); document.addEventListener('DOMContentLoaded', () => { document.querySelector('#counter').textContent = localStorage.getItem('count'); });

$this->set_charset($db_charset);
$this->query('SET SQL_MODE=""');

$this->query("
  SELECT 
    *
  FROM 
    table
  WHERE 
    name = 'Vasya'
");

$this->query("
  INSERT INTO 
    table
  VALUES 
    (DEFAULT, 'Vasya')
");

$this->query("
  UPDATE 
    table
  SET
    name = 'Vasya'
  WHERE
    id = :id
");
$this->bind(':id', 1);
$this->execute();

$this->query("
    DELETE FROM 
      table
    WHERE 
      id = :id
  ");
$this->bind(':id', 1);
$this->execute();