返回第一个日期和以前的日期

function getPreviousDates(startDate) {
  var currentDate = new Date();
  var dates = [];

  while (startDate < currentDate) {
    dates.push(startDate);
    startDate.setDate(startDate.getDate() + 1);
  }

  return dates;
}

var startDate = new Date("2022-01-01");
var previousDates = getPreviousDates(startDate);
console.log(previousDates);

from datetime import date, timedelta

def get_previous_dates(start_date):
    current_date = date.today()
    dates = []

    while start_date < current_date:
        dates.append(start_date)
        start_date += timedelta(days=1)

    return dates

start_date = date(2022, 1, 1)
previous_dates = get_previous_dates(start_date)
print(previous_dates)