How do I get Month and Date of JavaScript in 2 digit format?

Why not use padStart ?

padStart(targetLength, padString) where

  • targetLength is 2
  • padString is 0

// Source: https://stackoverflow.com/a/50769505/2965993

var dt = new Date();

year  = dt.getFullYear();
month = (dt.getMonth() + 1).toString().padStart(2, "0");
day   = dt.getDate().toString().padStart(2, "0");

console.log(year + '/' + month + '/' + day);

This will always return 2 digit numbers even if the month or day is less than 10.

Notes:

  • This will only work with Internet Explorer if the js code is transpiled using babel.
  • getFullYear() returns the 4 digit year and doesn't require padStart.
  • getMonth() returns the month from 0 to 11.
    • 1 is added to the month before padding to keep it 1 to 12.
  • getDate() returns the day from 1 to 31.
    • The 7th day will return 07 and so we do not need to add 1 before padding the string.

If you want a format like "YYYY-MM-DDTHH:mm:ss", then this might be quicker:

var date = new Date().toISOString().substr(0, 19);
// toISOString() will give you YYYY-MM-DDTHH:mm:ss.sssZ

Or the commonly used MySQL datetime format "YYYY-MM-DD HH:mm:ss":

var date2 = new Date().toISOString().substr(0, 19).replace('T', ' ');

I hope this helps


("0" + this.getDate()).slice(-2)

for the date, and similar:

("0" + (this.getMonth() + 1)).slice(-2)

for the month.

Tags:

Javascript

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