js-basic-code-learning
/
asyncv.html

<!DOCTYPE html>
<html lang="en">

<head>
	<meta charset="UTF-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Document</title>
</head>

<body>


	<script>
		function wait() {
			console.log('1');
			return new Promise(resolve => {

				console.log('2');
				setTimeout(resolve, 10 * 1000)
			}
			)
		}

		async function main() {
			console.time();
			const x = wait();
			// const y = wait();
			// const z = wait();
			// await x;
			// await y;
			// await z;
			console.timeEnd();
		}
		main();
	</script>
</body>

</html>