JavaScript 自動更新的時鐘

clock.html

<p id="clock"></p>

<script>
	const clock = function () {
		let getDate = new Date();
		document.getElementById("clock").innerHTML = getDate.toLocaleTimeString(
			[],
			{ hour: "2-digit", minute: "2-digit", second: "2-digit" }
		);
	};
	setInterval(function () {
		clock();
	}, 1000);
</script>