JSFiddle - React, Tailwind, and code Playground
HTML
<button>One</button> <button>Two</button> <button>Three</button>
JavaScript
var btns = document.querySelectorAll('button');
for (var i = 0; i < btns.length; i++) {
console.log('1', btns[i]);
btns[i].addEventListener('click', function (event) {
console.log('2', btns[i]);
console.log('3', event.target);
}, false);
}