Function updateTimer

countdown/app.js:46–57

()

let countdownDate = new Date(inputElement).getTime();

function updateTimer(){
    //taking difference of present time with countdownDate
    let dateDotNowinIST = Date.now() + 19800000; //because IST is 5:30 ahead of UCT timezone
    let timeLeft = countdownDate - dateDotNowinIST;

    getTimeInFormat(timeLeft);
    
    if(timeLeft < 0 ){
        clearInterval(init);
        resetTimer();
    }
}

let init = setInterval(updateTimer, 1000);