JSFiddle - React, Tailwind, and code Playground

HTML

<div id="div" style="display:none;">BLAH!</div>
<button id="cerrar">
cerrar
</button>

JavaScript

//$('#div').hide('slow').show().delay(5000).hide('slow');

$("#cerrar").on("click",function()
{
alert("si");
	$("#div").hide('slow').show().delay(5000).hide('slow');
})