JAVASCRIPT

get only last 2 digit of year in javascript

var strDate = new Date(); // By default Date empty constructor give you Date.now
var shortYear = strDate.getFullYear(); 
// Add this line
var twoDigitYear = shortYear.toString().substr(-2);

get last two digits of year javascript

 maskDate(date) {
    // console.log(date);
    var dateVar = new Date(date);
    // console.log("XX/XX/"+ dateVar.getFullYear().toString().substr(-2));
    return "XX/XX/"+ dateVar.getFullYear().toString().substr(-2);
 }

js get current year last 2 digits substring

//new 
const date = new Date("01/20/2021"); // 20th January 2021
const year = date.getFullYear(); // 2021

const year2digits = year.toString().substring(2);

console.log(year2digits); // "21"