JSFiddle - React, Tailwind, and code Playground

HTML

<input id="vert">
<div id="put-text">

</div>

JavaScript

var vert_text;
var ele_input = document.getElementById('vert');
var ele_text = document.getElementById('put-text');
ele_input.addEventListener('keyup', function(){
	vert_text = ele_input.value.split('').join('<br>');
  ele_text.innerHTML = vert_text;
});