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js显示当前系统时间+星期几

2015-11-30 09:49 537 查看 
<pre name="code" class="html"><!DOCTYPE html>
<html lang="en">
<meta charset="utf-8">
<head>
<script>
function displayDate()
{
var date = new Date();
var year = date.getFullYear();
var mouths = date.getMonth()+1;
var day = date.getDate();
var hours =  date.getHours();
var minutes =  date.getMinutes();
var seconds = date.getSeconds();
var weekDay = new Array(7);
weekDay[0] = "星期日";
weekDay[1] = "星期一";
weekDay[2] = "星期二";
weekDay[3] = "星期三";
weekDay[4] = "星期四";
weekDay[5] = "星期五";
weekDay[6] = "星期六";
document.getElementById("demo").innerHTML="今天是："+year+"年"+mouths+"月"+day+"日"+hours+":"+minutes+":"+seconds+" "+weekDay[date.getDay()];
//获得当前时间,刻度为一千分一秒
var timeID = setTimeout(displayDate,1000);
}
</script>
<title></title>
</head>
<body onload="displayDate()">
<p id="demo"></p>
</body>
</html>

运行结果：


                                            

                                        

                        
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