Nodejs Time Calculate timeToMidnight()

Method Source Code

/**/*from   ww w .ja va  2s.  c  om*/
 * Sets the time of the date of the Date object to midnight 0:00 hours
 */
Date.prototype.timeToMidnight = function() {
    this.setHours(0);
    this.setMinutes(0);
    this.setMilliseconds(0);
};

Related

1. timeFmt(aDate)

   var timeFmt = function (aDate) {
       if (null == aDate) {
           return "";
       else {
           return new Date(aDate).format("yyyy-MM-dd hh:mm:ss");
   };
   

2. timeSecond()

   Date.prototype.timeSecond = function () {
        return ((this.getSeconds() < 10)?"0":"") + this.getSeconds();
   

3. timeSince(date)

   String.prototype.startsWith = function (str){
     return this.indexOf(str) === 0;
   };
   timeSince = function (date) {
     var seconds = Math.floor((new Date() - date) / 1000);
     var interval = Math.floor(seconds / 31536000);
     if (interval >= 1) {
         if(interval == 1){
           return "about " + interval + " year ago";
   ...
   

4. timeStr()

   var DAY_WIDTH = 100;
   var DAY_HEIGHT = 80;
   var SIDE_DELTA = 2;
   var DAY_HEADING = ["SUN",
                      "MON",
                      "TUE",
                      "WED",
                      "THU",
                      "FRI",
   ...
   

5. timeToJSON()

   Date.prototype.timeToJSON = function() {
     return this.toLocaleTimeString().substring(0,5);
   };
   

6. time_ago_in_words(date)

   function time_between_in_words(from_date, to_date)
     return format_milliseconds(Math.abs(from_date.getTime()-to_date.getTime()));
   function time_ago_in_words(date)
     return format_milliseconds(Math.abs(Date.now()-date.getTime()));
   function format_milliseconds(milsecs)
   ...
   

7. time_since()

   var chunks = [
     [60 * 60 * 24 * 365, 'year'],
     [60 * 60 * 24 * 30, 'month'],
     [60 * 60 * 24 * 7, 'week'],
     [60 * 60 * 24, 'day'],
     [60 * 60, 'hour'],
     [60, 'minute']
   ];
   Date.prototype.time_since = function() {
   ...
   

8. timesince(now)

   Date.prototype.timesince = function(now) {
     var chunks = [
       [ 60 * 60 * 24 * 365, 'year', 'years'],
       [ 60 * 60 * 24 * 30, 'month', 'months' ],
       [ 60 * 60 * 24, 'day', 'days' ],
       [ 60 * 60, 'hour', 'hours' ],
       [ 60, 'minute', 'minutes' ]
     ];
     now = now || new Date();
   ...
   

9. withoutTime()

   Date.prototype.withoutTime = function () {
       var d = new Date(this);
       d.setHours(0, 0, 0, 0);
       return d;