CodePen Embed - $javascript2

<p id="text">是 Ray 不是 Array 1</p>

const $ = (selector) => {
  const element = document.querySelector(selector);

  element.on = (event, callback) => {
    element.addEventListener(event, callback);
  };
  
  return element;
}

$('#text').on('click', () => {
  alert('你點擊我了！');
})

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