javascript-Package Date Date class

Migration time: May 27, 2017 18:43:02author:marydonjavascript-Package Date Date class (i) format dates

//to customize the format () formatting method of the date day class<script type= "Text/javascript" >//An extension to date that converts date to a string of the specified format    //the Month (m), Day (d), hour (h), Minute (m), second (s), quarter (q) can be used with 1-2 placeholders,    //year (Y) can use 1-4 placeholders, milliseconds (S) with only 1 placeholders (1-3 digits)    //Example:    //(New Date ()). Format ("Yyyy-mm-dd HH:mm:ss. S ") ==> 2016-09-19 16:32:53.731    //(New Date ()). Format ("yyyy-m-d h:m:s:s") ==> 2016-9-19 16:40:9:955Date.prototype.Format =function(FMT) {//Author:meizz        varo = {            "m+": This. GetMonth () + 1,//Month"D+": This. GetDate (),//Day"H +": This. GetHours (),//hours"m+": This. getminutes (),//points"S+": This. getseconds (),//seconds"q+": Math.floor (( This. GetMonth () + 3)/3),//Quarterly"S": This. Getmilliseconds ()//milliseconds        }; if(/(y+)/.test (FMT)) FMT = Fmt.replace (regexp.$1, ( This. getFullYear () + ""). substr (4-regexp.$1. length));  for(varKincho)if(NewRegExp ("(" + K + ")"). Test (FMT)) FMT = Fmt.replace (regexp.$1, (regexp.$1.length = = 1)? (O[k]): (("XX" + o[k]). substr ("" +o[k])); returnFMT;    }; Window.onload=function() {        varDate =NewDate (); varb = date.tolocaledatestring ();//The format obtained is: September 19, 2016        varD = date.tolocaletimestring ();//Afternoon 4:42:46        varE = date.tolocalestring ();//September 19, 2016 PM 4:44:02        varf = date.todatestring ();//Mon Sep        varg = date.toutcstring ();//Mon, Sep 08:45:42 GMT        varh = date.tostring ();//Mon Sep 16:46:23 gmt+0800 (China Standard Time)        //Custom date formats        varc = Date. Format ("Yyyy-mm-dd HH:mm:ss");//the Format () method is customdocument.getElementById ("AA"). Value =C; };</script>

(ii) Return of the dates of the week Monday and Sunday by date

/** * return date of week Monday and Sunday according to date * @param Day * parameter date * @param num * weeks * @return Oneweek * Monday, Sunday date*/functiongetweekdate (day,num) {num= num | | 0; //return value: Date of Monday and Sunday    varOneweek = {}; //Initial Date    varInitdate = ""; //Date of interceptionInitdate = Day.split (") [0]; //IE compatibility issue, convert Yyyy-mm-dd to Yyyy/mm/ddInitdate = Initdate.replace (/-/g, "/"); //Convert string to dateInitdate =NewDate (Date.parse (initdate));//The format can only be YYYY/MM/DD        //returns the number of milliseconds that day is from 0:0 January 1, 1970    varNowtime =Initdate.gettime (); //number of days returned on the day of the week: 0 (Sunday) to 6 (Saturday)    varWeekNum =Initdate.getday (); //the number of milliseconds that the day represents    varOnedaytime = 24 * 60 * 60 * 1000; //Show Monday    varMondaytime = Nowtime-(weekNum-1) *Onedaytime; //Show Sunday    varSundaytime = Nowtime + (7-weeknum) *Onedaytime; if(0! =num) {Mondaytime+ = 7 * num *Onedaytime; Sundaytime+ = 7 * num *Onedaytime; }        //Initialize Date Time    varMonday =NewDate (mondaytime); varSunday =NewDate (sundaytime); //FormatDate is a custom formatting methodMonday = monday.formatdate (' Yyyy-mm-dd ')); Sunday= Sunday.formatdate (' Yyyy-mm-dd '); Oneweek.monday=Monday; Oneweek.sunday=Sunday; returnOneweek;}

Test:

var week = getweekdate (' 2017-05-27 ', 0);         + "," + Week. Sunday);

javascript-Package Date Date class