text: window.addEventListener('load', start);
  
  const clickArray = [];
  
  
  function start() {
    const button = document.querySelector('#clickButton');
    const ul = document.querySelector('ul');
  
    handleButtonClick(button, ul);
  }
  
  function handleButtonClick(button, ul) {
    button.addEventListener('click', () => {
      const li = document.createElement('li');
      li.innerHTML = new Date();
      clickArray.push(ul.appendChild(li));
    });
  }
  