JSFiddle - React, Tailwind, and code Playground

HTML

<button>one</button>
<button>two</button>
<button>three</button>
<button>four</button>
<button>five</button>

JavaScript

var nodes = document.getElementsByTagName('button');
var counter;
for (var i = 0; i < nodes.length; i++) {
    (function(j) {
        nodes[i].addEventListener('click', function() {
            alert('You clicked element #' + (j+1));
        });
    })(i);
}