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                <!--try adding aria-live="assertive" or aria-live="polite" to this <div> and then activate the button  -->

<div id="live-region">

<button id="notify">Notify me</button>


                body {
	background: #fff;
	padding: 5vw;
	font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
		Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;

button {
	font-size: inherit;
	padding: 0.35em 1em;
	border-radius: 4px;
	font: inherit;

[aria-live] {
	padding: 1.5rem;
	border: 3px dashed #aaa;
	margin: 1rem 0;

/* Visually hide text while keeping it accessible */
/* Support includes IE9+ */
[hidden] {
	display: none;

.visually-hidden:not(:focus):not(:active) {
	clip: rect(0 0 0 0);
	clip-path: inset(100%);
	height: 1px;
	overflow: hidden;
	position: absolute;
	width: 1px;
	white-space: nowrap;
	/* Why we need this rule: */



                const btn = document.getElementById("notify");
const live_region = document.getElementById("live-region");

btn.addEventListener("click", function () {
	live_region.innerHTML += `<p>An update has just happened on the page! </p>`;
	// setTimeout(function(){
	//     live_region.innerHTML = '';
	// }, 5000)