JSFiddle - React, Tailwind, and code Playground

by Justin Breen

HTML

<button class="foo"  data-donation="g" id="test">Button</button>
<button class="foo" data-donation="g" >Button</button>

JavaScript

var buttons=document.querySelectorAll('.foo'), btnlength=buttons.length;

for (var i = 0; i < btnlength; i++) {
buttons[i].onclick=function() {
	alert('hi');
}
}

var el = document.getElementById('test');

var elem = document.querySelectorAll('.bar');

el.onclick = function() {
el.classList.toggle('foo');
}