js 获取系统时间

//系统当前时间
function timer(){
	var date = new Date();
	var vYear = date.getFullYear();
	var vMon = date.getMonth()+1;
	var vDay = date.getDate();
	var h = date.getHours();
	var m = date.getMinutes(); 
	var se = date.getSeconds(); 
	if(vMon < 10){
		vMon = "0" + vMon;
	}
	if(vDay < 10){
		vDay = "0" + vDay;
	}
	if(h < 10){
		h = "0" + h;
	}
	if(m < 10){
		m = "0" + m;
	}
	if(se < 10){
		se = "0" + se;
	}
	$("#currentDate").html(vYear+"-"+vMon+"-"+vDay);
	$("#currentTime").html(h+":"+m+":"+se);
}