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);const id = "ctl03_Tabs1";
console.log(id.slice(id.length - 5)); //Outputs: Tabs1
console.log(id.slice(id.length - 1)); //Outputs: 1 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);
}//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"