1、日期的内置函数
<!doctype html> <html> <head> <!--声明当前页面的编码集:charset=gbk,gb2312(中文编码),utf-8国际编码--> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <!--当前页面的三要素--> <title>日期函数</title> <meta name="Keywords" content="关键词,关键词"> <meta name="description" content=""> <script type="text/javascript" src="sgutil.js"></script> </head> <body> <script type="text/javascript"> //创建一个日期对象 var d = new Date(); //获取年份 var year = d.getFullYear(); //获取月份,返回的值是0-11 var month = d.getMonth() + 1; //获取日期 var date = d.getDate(); //获取小时 var hour = d.getHours(); //获取分钟 var min = d.getMinutes(); //获取秒数 var sec = d.getSeconds(); //获取毫秒 var msec = d.getMilliseconds(); //获取星期数 var day = d.getDay(); if(day == 0) { day = "星期日"; }else if(day == 1) { day = "星期一"; }else if(day == 2) { day = "星期二"; }else if(day == 3) { day = "星期三"; }else if(day == 4) { day = "星期四"; }else if(day == 5) { day = "星期五"; }else if(day == 6) { day = "星期六"; } //2015-11-19 15:30:03.333 星期四 document.write(year+"-"+month+"-"+date+" "+hour+":"+min+":"+sec+"."+msec+" "+day+"</br>"); document.write(d.format("yyyy-MM-dd hh:mm:ss.S"+"</br>")); //2015-11-19 03:30:03.333 document.write(d.format("yyyy-MM-dd HH:mm:ss.S"+"</br>")); //2015-11-19 15:30:03.333 document.write(d.format("yyyy-MM-dd HH:mm:ss E"+"</br>")); //2015-11-19 15:30:03 四 document.write(d.format("yyyy-MM-dd HH:mm:ss EE"+"</br>")); //2015-11-19 15:30:03 周四 document.write(d.format("yyyy-MM-dd HH:mm:ss EEE"+"</br>")); //2015-11-19 15:30:03 星期四 </script> </body> </html>