JSFiddle - React, Tailwind, and code Playground

HTML

<button>button 1</button>
<button>button 2</button>
<button>button 3</button>
<button>button 4</button>
<button>button 5</button>

JavaScript

var buttons = document.getElementsByTagName("button");

for (i = 0; i < buttons.length; i++) {
    buttons[i].addEventListener("click", function () {
        alert("You just clicked " + i);
    });
}