JSFiddle - React, Tailwind, and code Playground

HTML

<div style="position:relative;">
						<a href="#!" onclick="disnone('n1')">
							Кнопка
							<div id="n1" style="z-index:100;display:none;position:absolute;top:35px;left:15px;width:170px;background-color:#999;">
								<a href="" style="display:block;padding:7px 0;">Ответить</a>
								<a href="" style="display:block;padding:7px 0;">Пожаловаться</a>
							</div>
						</a>
					</div>

JavaScript

function disnone(rid) {
	if (document.getElementById(rid).style.display == "none") {
		document.getElementById(rid).style.display = "block";
	}
	else {
		document.getElementById(rid).style.display = "none";
	}
}