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Just a side note: do not create Date objects with these kind of strings as input; it's non-standard and up to the browser how those are parsed. Use strings that can be parsed by Date.parse or, rather, use three numeric values as the arguments to new Date, e.g. new Date(2010, 11, 7);. –
One way to compare two dates is to use the dates.js library. The Date.compare(Date date1, Date date2) ...
This works! And is actually smart, and short. I tested to see, if you add 30 days or 45 days, and if it calculates correctly and skips the correct months, and seems to be fine. The way this is done is what I was looking for, and using the "out of the box" js date function is the way to go, not complicating it, just using what already exists ...
Also Note: This is still less bloated than moment.js. While moment.js is nice, imo, it has too many secular methods, which require learning moment as if it were a language. Mine here uses the same common format as PHP: date. Quick Links. Date.format.min.js 5.08 KB; dateFormat.min.js 4.16 KB; Flavor 1 new Date().format(String) My Personal Fav. I ...
I have a current Date object that needs to be incremented by one day using the JavaScript Date object. I have the following code in place: var ds = stringFormat("{day} {date} {month} {year}&qu...
You can use the following method to convert any js date to UTC: let date = new Date(YOUR_DATE).toISOString() // It would give the date in format "2020-06-16T12:30:00.000Z" where Part before T is date in YYYY-MM-DD format, part after T is time in format HH:MM:SS and Z stands for UTC - Zero hour offset
Luxon (successor of Moment.js) date-fns-tz (extension for date-fns) Day.js (when using its Timezone plugin) Non-Intl Libraries. These libraries are maintained, but carry the burden of packaging their own time zone data, which can be quite large. js-joda/timezone (extension for js-joda) moment-timezone* (extension for Moment.js)
I want to add months to a date in JavaScript. For example: I am inserting date 06/01/2011 (format mm/dd/yyyy) and now I want to add 8 months to this date. I want the result to be 02/01/2012. So w...
It amazes me that JavaScript's Date object does not implement an add function of any kind. I simply want a function that can do this: var now = Date.now(); var fourHoursLater = now.addHours(4);
@Simon: JS globals are local to the current global object (aka window or self); different frames have their own global objects, and their properties (ie globals) refer to distinct objects: Date in frame1 is a different function object than Date in frame2; the same is true for Date.prototype, which is the reason for the instanceof failure: Date.prototype from frame1 is not part of the prototype ...