JSFiddle - React, Tailwind, and code Playground

HTML

<textarea cols="50" id="textarea">Lorem ipsum dolor sit amet, consectetur adipiscing elit.</textarea><br />

<input type="button" value="toggle" onclick="$elect('textarea').toggle()" />

JavaScript

function $elect(id) {
	if (window === this) {
		return new $elect(id);
	}
	this.elm = document.getElementById(id);
}

$elect.prototype = {
	hide:	function () { this.elm.style.display = 'none';	},
	show:	function () { this.elm.style.display = '';		},
	toggle:	function ()
			{
				if (this.elm.style.display !== 'none') {
					this.elm.style.display = 'none';
				} else {
					this.elm.style.display = '';
				}
			}
};