Nodejs Time Calculate halfHoursUntil(otherTime)

Method Source Code

Date.prototype.halfHoursUntil = function(otherTime) {
   var hour = new Date(this);
   var numberOfHalfHours = 0;
   while (hour < otherTime) {
      numberOfHalfHours++;/*from  ww w  .  j  av  a2s .  c o m*/
      hour.addHalfHour();
   }
   return numberOfHalfHours;
};

Related

1. getPrettyDateTime()

   Date.prototype.getPrettyDateTime = function () {
     var month = this.getMonth() + 1;
     var day = (this.getDate() < 10) ? "0" + this.getDate() : this.getDate();
     return month + "/" + day + "/" + this.getFullYear() + " " + this.getPrettyTime();
   };
   

2. getPrettyTime()

   Date.prototype.getPrettyTime = function () {
     var minutes = (this.getMinutes() < 10) ? "0" + this.getMinutes() : this.getMinutes();
     var hours = this.getHours();
     var ampm = "AM";
     if (hours > 12) {
       ampm = "PM";
       hours -= 12;
     } else if (hours == 12) {
       ampm = "PM";
   ...
   

3. getTimeAmPm()

   Date.prototype.getTimeAmPm = function () {
     let hours = this.getHours();
     let minutes = this.getMinutes();
     let ampm = hours >= 12 ? 'pm' : 'am';
     hours = hours % 12;
     hours = hours ? hours : 12; 
     minutes = minutes < 10 ? '0' + minutes : minutes;
     let strTime = hours + ':' + minutes + '' + ampm;
     return strTime;
   ...
   

4. getTimeShift()

   Date.prototype.getTimeShift = function() {
       return this.getTimezoneOffset() < this.stdTimezoneOffset()?3:2;
   };
   

5. getUnixTime()

   getQueryString = function (field, url) {
       var href = url || window.location.href;
       var reg = new RegExp('[?&]' + field + '=([^&#]*)', 'i');
       var string = reg.exec(href);
       return string ? string[1] : null;
   };
   Date.prototype.getUnixTime = function () {
       return this.getTime() / 1000 | 0
   };
   ...
   

6. onlyTime()

   Date.prototype.onlyTime = function () {
     return this.toTimeString().split(" ")[0];
   };
   

7. p8DeDate(time)

   Date.prototype.p8DeDate = function(time) {
     var d = this;
     function pad(n) {
       return n < 10 ? '0' + n : n;
     function pad3(n) {
       if(n < 10) {
          return '00' + n;
       } else if(n < 100) {
   ...
   

8. prettyDate(time)

   function prettyDate(time) {
       var date = new Date().setISO8601(time || "");
       console.log('date: ' + date);
       var diff = (((new Date()).getTime() - date.getTime()) / 1000);
       console.log('diff: ' + diff);
       var day_diff = Math.floor(diff / 86400);
       console.log('daydiff: ' + day_diff);
       if (isNaN(day_diff) || day_diff < 0 || day_diff >= 31) {
         console.log('some shit went bad');
   ...
   

9. setTimeToNow()

   Date.prototype.setTimeToNow = function () 
       var n = Date.relativeTo || new Date();
       this.setHours(n.getHours());
       this.setMinutes(n.getMinutes());
       this.setSeconds(n.getSeconds());
       this.setMilliseconds(n.getMilliseconds());
       return this;