This is a noob question: How to parse a date in format “YYYYmmdd” without external libraries ? If the input string is not in this format I would like to get invalid Date (or undefined if it will be easier). Answer Usage: UPDATE: As Rocket said, months are 0-based in js…use this if month’s aren’t 0-based in your string UPDATE:
Tag: date
Getting current date and time in JavaScript
I have a script that prints the current date and time in JavaScript, but the DATE is always wrong. Here is the code: It should print 18/04/2012 15:07:33 and prints 3/3/2012 15:07:33 Answer .getMonth() returns a zero-based number so to get the correct month you need to add 1, so calling .getMonth() in may will return 4 and not 5.
How do I calculate the date in JavaScript three months prior to today?
I Am trying to form a date which is 3 months before the current date. I get the current month by the below code Can you guys provide me the logic to calculate and form a date (an object of the Date data type) considering that when the month is January (1), 3 months before date would be OCtober (10)?
Javascript library for human-friendly relative date formatting [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. We don’t allow questions seeking recommendations for books, tools, software libraries, and more. You can edit the question so it can be answered with facts and citations. Closed 7 years ago. Improve this question I’d like to display some dates as relative to the current
Get the current year in JavaScript
How do I get the current year in JavaScript? Answer Create a new Date() object and call getFullYear(): Example usage: a page footer that always shows the current year: See also, the Date() constructor’s full list of methods.
Convert string to datetime
How to convert string like ’01-01-1970 00:03:44′ to datetime? Answer For this format (assuming datepart has the format dd-mm-yyyy) in plain javascript use dateString2Date. It may bite you, because of browser compatibility problems. tryParseDateFromString is ES6 utility method to parse a date string using a format string parameter (format) to inform the method about the position of date/month/year in the
How to get first and last day of the current week in JavaScript
I have today = new Date(); object. I need to get first and last day of the current week. I need both variants for Sunday and Monday as a start and end day of the week. I am little bit confuse now with a code. Can your help me? Answer This works for firstday = sunday of this week and
Converting Gregorian date to Hijri date
How do you convert Gregorian dates to Islamic Hijri dates using JavaScript? Answer This converts current computer date to hijri. And with a little modification you can achieve that this snippet change any date to islamic Taken from This site
Checking if two Dates have the same date info
How can I check if two different date objects have the same date information(having same day, month, year …)? I have tried “==”, “===” and .equals but none seems to work. Answer You can use valueOf() or getTime():
Loop through a date range with JavaScript
Given two Date() objects, where one is less than the other, how do I loop every day between the dates? Would this sort of loop work? But how can I add one day to the loop counter? Thanks! Answer Here’s a way to do it by making use of the way adding one day causes the date to roll over