js实现小时钟,js中Date对象的使用?

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介绍一下js中Date对象的使用

dateObj = new Date()

dateObj = new Date(dateValue)

dateObj = new Date(year,month,date[,hours[,minutes[,seconds[,ms]]]]);

下面有一个小例子

<script type="text/javascript">function setTime(){//获得现在的时间var now = new Date();  var year = now.getFullYear();  var month = now.getMonth();  month ++;  var date = now.getDate();  var day = now.getDay();  var hours = now.getHours();  var minute = now.getMinutes();  var second = now.getSeconds();var arr_week = new Array("星期一","星期二","星期三","星期四","星期五","星期六","星期日");var week = arr_week[day];  var time = year + "年" + month + "月" + date + "日 " + week + " " + hours + ":" +minute + ":" + second;var clock = document.getElementById("clock");clock.innerHTML ="当前时间: "+time;}//下载完成后,每隔一秒更新一次时间window.onload = function(){window.setInterval("setTime()", 1000);}  </script>

显示效果:

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