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"