怎么计算每个月的第一天是星期几? <script language="JavaScript">var year = "2009";var week = "日一二三四五六";for(var i=1;i<=12 ;i++ ){ var s = year+"/"+i+"/1" var d = new Date(s) document.write(s+"是星期"+week.charAt(d.getDay())+"<br>")}</script>getDay()函数0是星期日,1是星期一 …… 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 var sYear = "2009"var sMonth = "2";var iMonth = parseInt(sMonth) - 1var oDate = new Date(sYear, iMonth, 1);var iWeek = oDate.getDay();var sWeek;switch(iWeek){ case 0: sWeek = "星期日"; break; case 1: sWeek = "星期一"; break; case 2: sWeek = "星期二"; break; case 3: sWeek = "星期三"; break; case 4: sWeek = "星期四"; break; case 5: sWeek = "星期五"; break; case 6: sWeek = "星期六"; break; }alert(sWeek); <html><body><script type="text/javascript">var yy = 2009;var mm = 1;var dd = 1;var d=new Date(yy,mm,dd)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.write(yy+"年"+(mm+1)+"月"+dd+"日是" + weekday[d.getDay()])</script></body></html> 睡觉送分贴 求一个网页自动投票脚本 请问这种JS写法是什么?数组?类? js如何实现拖动画出一个圆 问一个非常菜的问题,关于js循环的 JS函数不能调用,怎么回事? 紧急求救:怎样把输入框里的内容自动保存成文本文档,比如保存成bb.txt,在这里bb.txt本身不存在是自动生成的. 后台表单提交后,刷新前台数据,这个问题怎么解决! 求助,大师帮忙把这段JS解密。 表单验证内嵌出错信息 怎么不对啊 大家帮我看一下如何去掉百度的图片 sql 储存过程
var sYear = "2009"
var sMonth = "2";
var iMonth = parseInt(sMonth) - 1var oDate = new Date(sYear, iMonth, 1);
var iWeek = oDate.getDay();
var sWeek;
switch(iWeek){
case 0: sWeek = "星期日"; break;
case 1: sWeek = "星期一"; break;
case 2: sWeek = "星期二"; break;
case 3: sWeek = "星期三"; break;
case 4: sWeek = "星期四"; break;
case 5: sWeek = "星期五"; break;
case 6: sWeek = "星期六"; break;
}
alert(sWeek);
<body><script type="text/javascript">var yy = 2009;
var mm = 1;
var dd = 1;var d=new Date(yy,mm,dd)
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.write(yy+"年"+(mm+1)+"月"+dd+"日是" + weekday[d.getDay()])</script></body>
</html>