<html>
<body>
<h1>JavaScript async / await</h1>
<h2 id="demo"></h2>
<p>Wait 3 seconds (3000 milliseconds) for this page to change.</p>
<script>
async function myDisplay() {
let myPromise = new Promise(function(resolve) {
setTimeout(function() {resolve("I love You !!");}, 3000);
});
document.getElementById("demo").innerHTML = await myPromise;
}
myDisplay();
</script>
</body>
</html>