JSFiddle - React, Tailwind, and code Playground

HTML

<button>Click me</button>
  <button>Click me</button>
   <button>Click me</button>

JavaScript

function createParagraph() {
  var para = document.createElement('p');
  para.textContent = 'You clicked the button!';
  document.body.appendChild(para);
}

var buttons = document.querySelectorAll('button');

for (var i = 0; i < buttons.length ; i++) {
  buttons[i].addEventListener('click', createParagraph);
}