javascirpt时钟

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">

<head>

	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />

	<title></title>

	<script type="text/javascript">

		window.onload = function() {

			var oSpan = document.getElementsByTagName("span");



			function getTime() {

				var oTime = new Date();

				var aTime = [oTime.getHours(), oTime.getMinutes(), oTime.getSeconds()];



				for(var i in aTime) {

					oSpan[i].innerHTML = aTime[i].toString().replace(/^(\d)$/, "0$1");

				}

			}



			setInterval(getTime, 1000);

			getTime();

		}

	</script>

</head>

<body>

	<span></span>时

	<span></span>分

	<span></span>秒

</body>

</html>

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