JS前台获取当前时间: var myDate = new Date();
myDate.getYear(); //获取当前年份(2位)
myDate.getFullYear(); //获取完整的年份(4位,1970-????)
myDate.getMonth(); //获取当前月份(0-11,0代表1月)
myDate.getDate(); //获取当前日(1-31)
myDate.getDay(); //获取当前星期X(0-6,0代表星期天)
myDate.getTime(); //获取当前时间(从1970.1.1开始的毫秒数)
myDate.getHours(); //获取当前小时数(0-23)
myDate.getMinutes(); //获取当前分钟数(0-59)
myDate.getSeconds(); //获取当前秒数(0-59)
myDate.getMilliseconds(); //获取当前毫秒数(0-999)
myDate.toLocaleDateString(); //获取当前日期
var mytime=myDate.toLocaleTimeString(); //获取当前时间
myDate.toLocaleString( ); //获取日期与时间
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var now = new Date();
var year = now.getFullYear(); //年
var month = now.getMonth() + 1; //月
var day = now.getDate(); //日
var hh = now.getHours(); //时
var mm = now.getMinutes(); //分
var ss = now.getSeconds(); //秒
var clock = year + "-";
// if判断:
if(month < 10)
clock += "0";
clock += month + "-";
if(day < 10)
clock += "0";
clock += day + " ";
if(hh < 10)
clock += "0";
clock += hh + ":";
if (mm < 10) clock += \'0\';
clock += mm + ":";
if (ss < 10) clock += \'0\';
clock += ss;
alert(clock);
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//三目判断:
var clock = year + "-"
+ (month<10?"0"+month:month)
+ "-"+(day<10?"0"+day:day)
+ " "+(hh<10?"0"+hh:hh)
+ ":"+(mm<10?"0"+mm:mm)
+ ":"+(ss<10?"0"+ss:ss);
+ (month<10?"0"+month:month)
+ "-"+(day<10?"0"+day:day)
+ " "+(hh<10?"0"+hh:hh)
+ ":"+(mm<10?"0"+mm:mm)
+ ":"+(ss<10?"0"+ss:ss);