格式化时间

Date.prototype.format = function(format) { //author: meizz
  let o = {
    "M+": this.getMonth() + 1, //月份
    "d+": this.getDate(), //日
    "H+": this.getHours(), //小时
    "m+": this.getMinutes(), //分
    "s+": this.getSeconds(), //秒
    "q+": Math.floor((this.getMonth() + 3) / 3), //季度
    "f+": this.getMilliseconds() //毫秒
  };
  if (/(y+)/.test(format))
    format = format.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
  for (let 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;
};
var d=new Date();
d.format('yyyy/MM/dd HH:mm');
//"2016/11/25 10:01"