function isWithinJPlus1(dateDisplay) {
  const parts = dateDisplay.split('/');
  if (parts.length === 3) {
    const searchDate = new Date(parseInt(parts[2]), parseInt(parts[1]) - 1, parseInt(parts[0]));
    const today = new Date();
    today.setHours(0, 0, 0, 0);
    const diffTime = searchDate.getTime() - today.getTime();
    const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24));
    return diffDays <= 1;
  }
  return true;
}
console.log(isWithinJPlus1("25/09/2026")); // Tomorrow
console.log(isWithinJPlus1("26/09/2026")); // J+2 -> false