I'd like to put certain airtable field values into the script

I’d like to put certain airtable field values into the script

The field name is End, and the script location value I’m trying to put is oneHourLater.

The script I use is as follows
Coming order countdown script.

<script>
const countdown = () => {
const oneHourLater = new Date("recordId");
const countDate = oneHourLater.getTime();
const now = new Date().getTime();
const gap = countDate - now;
const second = 1000;
const minute = second * 60;
const hour = minute * 60;
const day = hour * 24;
const text일 = Math.floor(gap / day);
const text시 = Math.floor((gap % day) / hour);
const text분 = Math.floor((gap % hour) / minute);
const text초= Math.floor((gap % minute) / second);

  document.querySelector(".day").innerText = text일;
  document.querySelector(".hour").innerText = text시;
  document.querySelector(".minute").innerText = text분;
  document.querySelector(".second").innerText = text초;

if (gap <= 0) {
clearInterval(watchCountdown);
    document.querySelector(".day").innerHTML = "0";
    document.querySelector(".hour").innerHTML = "0";
    document.querySelector(".minute").innerHTML = "0";
    document.querySelector(".second").innerHTML = "0";
}
};
let watchCountdown = setInterval(countdown, 1000);

</script>