javascript: get remaining time by seconds

getRemainingTime.js

function getTimeRemaining(seconds) {
    const now = new Date();
    
    // Add the specified number of seconds to the current time
    now.setSeconds(now.getSeconds() + seconds);
    
    const current = new Date();
    
    let diffInMinutes = Math.floor((now - current) / 60000);
    let hours = Math.floor(diffInMinutes / 60);
    let minutes = diffInMinutes % 60;
    
    // Construct the return string
    let timeString = '';
    if (hours > 0) {
        timeString += hours + ' hours ';
    }
    if (minutes > 0) {
        timeString += minutes + (minutes === 1 ? ' minute' : ' minutes');
    }
    return timeString.trim();
}