根据某年某月某日获得这一天是星期几之js篇
<html><head><title></title><script type="text/javascript"> function toDate(uYear, uMonth, uDay) {var arr = "日一二三四五六".split("");with(document.all) {var vYear = parseInt(uYear, 10);var vMonth = parseInt(uMonth, 10);var vDay = parseInt(uDay, 10);}var date = "星期"+arr[new Date(vYear,vMonth-1,vDay).getDay()];alert(date);return date; }window.onload = function() {var dateStr = "2010-07-01";var arr = dateStr.split("-");toDate(arr[0], arr[1], arr[2]);} </script></head><body></body></html>