SOURCE

// 日期计算
function getDateWeek($el) {
  var todayDate = new Date();
  var date = todayDate.getDate();
  var month = todayDate.getMonth() + 1;
  var year = todayDate.getYear();
  var hours = todayDate.getHours(); //获取小时
  var minutes = todayDate.getMinutes(); //获取分
  var mydate = "";
  var week = '';
  if (hours < 10) {
    hours = '0' + hours
  }
  if (minutes < 10) {
    minutes = '0' + minutes
  }
  if (month < 10) {
    month = '0' + month
  }
  if (navigator.appName == "Netscape") {
    mydate = month + "." + date;
  }
  if (navigator.appVersion.indexOf("MSIE") != -1) {
    mydate = month + "." + date;
  }
  switch (todayDate.getDay()) {
  case 0:
    week = "周日";
    break;
  case 1:
    week = "周一";
    break;
  case 2:
    week = "周二";
    break;
  case 3:
    week = "周三";
    break;
  case 4:
    week = "周四";
    break;
  case 5:
    week = "周五";
    break;
  case 6:
    week = "周六";
    break;
  }
  console.log(minutes);
  var tmp = '<div class="day"><span>' + week + '</span><span>' + mydate + '</span></div><div class="time">' + hours + ':' + minutes + '</div>'$el.html(tmp);
}
getDateWeek($('#curdate'));
setInterval(function() {
  getDateWeek($('#curdate'))
},
1000);