Summary of js formatting time and date functions_time and date

Date.prototype.format = function(format){
var o = {
"M " : this.getMonth() 1, //month
"d " : this.getDate(), //day
"h " : this.getHours(), //hour
"m " : this.getMinutes(), //minute
"s " : this.getSeconds(), //second
"q " : Math.floor((this.getMonth() 3)/3), //quarter
"S" : this.getMilliseconds() //millisecond
}

if(/(y )/.test(format)) {
format = format.replace(RegExp.$1, (this.getFullYear() "").substr(4 - RegExp.$1.length));
}

for(var k in o) {
if(new RegExp("(" k ")").test(format)) {
format = format.replace(RegExp.$1, RegExp.$1.length==1 ? o[k] : ("00" o[k]).substr(("" o[k]).length));
}
}
return format;
}

//使用方法
var now = new Date();
var nowStr = now.format("yyyy-MM-dd hh:mm:ss");
//使用方法2:
var testDate = new Date();
var testStr = testDate.format("YYYY年MM月dd日hh小时mm分ss秒");
alert(testStr);
//示例：
alert(new Date().Format("yyyy年MM月dd日"));
alert(new Date().Format("MM/dd/yyyy"));
alert(new Date().Format("yyyyMMdd"));
alert(new Date().Format("yyyy-MM-dd hh:mm:ss"));

function getNowFormatDate()
{
var day = new Date();
var Year = 0;
var Month = 0;
var Day = 0;
var CurrentDate = "";
//初始化时间
//Year= day.getYear();//有火狐下2008年显示108的bug
Year= day.getFullYear();//ie火狐下都可以
Month= day.getMonth() 1;
Day = day.getDate();
//Hour = day.getHours();
// Minute = day.getMinutes();
// Second = day.getSeconds();
CurrentDate = Year "-";
if (Month >= 10 )
{
CurrentDate = Month "-";
}
else
{
CurrentDate = "0" Month "-";
}
if (Day >= 10 )
{
CurrentDate = Day ;
}
else
{
CurrentDate = "0" Day ;
}
return CurrentDate;
}