JSFiddle - React, Tailwind, and code Playground

HTML

<button value="yes">Yes</button>
<button value="no">No</button>

JavaScript

var buttons = document.getElementsByTagName('button');
for (i = 0; i < buttons.length; i++) {
    buttons[i].addEventListener('click', function () {
        alert(this.value);
    }, false)
    }