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js 实现页面时钟

2014-12-05 17:26 183 查看
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>页面时钟</title>
<script type="text/javascript">
function check(val) {
if (val < 10) {
return ("0" + val);
} else {
return (val);
}
}
function ShowTime() {
var date = new Date();
var year = date.getFullYear();
var month = date.getMonth() + 1;
var day = date.getDate();
var hour = date.getHours();
var minutes = date.getMinutes();
var second = date.getSeconds();
var timestr = year + "年" + month + "月" + day + "日  " + check(hour)
+ ":" + check(minutes) + ":" + check(second);
document.getElementById("stime").innerHTML = timestr;
var timerID = setTimeout('ShowTime()', 1000);
}
</script>
</head>
<body onload="ShowTime();">
<span id="stime"></span>
</body>
</html>
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