const d1 = new Date("Mon Jan 3 2022 16:38:58 GMT+0530 (India Standard Time)") 

const d2 = new Date("2022-01-03T18:30:00Z")

console.log(d1)

console.log(d2)

​

if (d1 < d2) console.log("Date 1 is earlier than d2")

​

// To find hh:mm:ss difference for the same day we can do this. 

console.log(new Date(d2-d1).toISOString().substr(11, 8))

const date1 = '25/02/1985';

const date2 = '26/02/1985';

​

// input 28/10/2018

// input DD/MM/YYYY

export const convertToDate = (dateSting) => {

    const [day, month, year] = dateSting.split("/");

    return new Date(parseInt(year), parseInt(month) - 1, parseInt(day));

}

​

console.log(convertToDate(date1) > convertToDate(date2))

let myDate = new Date("January 13, 2021 12:00:00");

let yourDate = new Date("January 13, 2021 15:00:00");

​

if (myDate < yourDate) {

  console.log("myDate is less than yourDate"); // will be printed

}

if (myDate > yourDate) {

  console.log("myDate is greater than yourDate");

}

let d1 = new Date();

let d2 = new Date();

// can use >, <, <=, <=

d1 > d2

d1 >= d2

// == won't work so can use this:

(d1 >= d2) && (d2 >= d1)

// Takes two strings as input, format is dd/mm/yyyy

// returns true if d1 is smaller than or equal to d2

​

function compareDates(d1, d2){

var parts =d1.split('/');

var d1 = Number(parts[2] + parts[1] + parts[0]);

parts = d2.split('/');

var d2 = Number(parts[2] + parts[1] + parts[0]);

return d1 <= d2;

}