JSFiddle - React, Tailwind, and code Playground

HTML

<div value="a">a</div>
<div value="b">b</div>
<div value="c">c</div>
<div value="d">d</div>
<div value="e">e</div>

JavaScript

window.onload = function () {
    var tabs = document.getElementsByTagName("div");
    for (var i = 0; i < tabs.length; i++) {
        alert(tabs[i].getAttribute('value'));
        tabs[i].onclick = function () {
            alert("clicked");
            alert(tab[i].getAttribute('value'));
        };
    }
};