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<html><body><h2>JavaScript async / await</h2><p>Wait 3 seconds (3000 milliseconds) for this page to change.</p><h1 id="demo"></h1><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><!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_async4 by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:06:52 GMT --></html>