Почему значения подсказки не меняются?

const $regions = document.querySelector('.interactiveMap').children;
let active = -1;

const showRegion = () => {
  active = active == $regions.length - 1 ? 0 : active + 1;
  let div = document.querySelector('.tooltip');
  let topCoords, leftCoords;
  for (let i = 0; i < $regions.length; i++) {
    $regions[i].classList.toggle('active', i === active);
  }
  topCoords = $regions[active].getBoundingClientRect().top;
  leftCoords = $regions[active].getBoundingClientRect().left;

  div.innerHTML = leftCoords;
  div.style.left = leftCoords + 'px';
  div.style.top = topCoords + 'px';

}

setInterval(showRegion, 500);

.map {
  padding-top: 30px;
}

.map__svg {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.map__svg .region {
  fill: #ecedf2;
  stroke: #fff;
  stroke-linecap: round;
  stroke-linejoin: round;
  cursor: pointer;
}

.region.active {
  fill: #ff8f1c;
}

.tooltip {
  position: absolute;
  background-color: blue;
}

<div class="map__svg">

  <svg data-name="Interactive map" class="interactiveMap" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 601 401">
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const $regions = document.querySelector('.interactiveMap').children;
let active = -1;

const showRegion = () => {
  active = active == $regions.length - 1 ? 0 : active + 1; 
  let div = document.querySelector('.tooltip');
  let topCoords, leftCoords;
  
  for (let i = 0; i < $regions.length; i++) {
    $regions[i].classList.toggle('active', i === active);
  }
  
  let activeElement = document.querySelector('.interactiveMap .active');
  topCoords = activeElement.getBoundingClientRect().top;
  leftCoords = activeElement.getBoundingClientRect().left;
    
  div.innerHTML = leftCoords;
  div.style.left = leftCoords+'px';
  div.style.top = topCoords+'px';   
}

setInterval(showRegion, 500);

.map {
    padding-top: 30px;
}

.map__svg {
  position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.map__svg .region {
    fill: #ecedf2;
    stroke: #fff;
    stroke-linecap: round;
    stroke-linejoin: round;
    cursor: pointer;
}

.region.active {
    fill: #ff8f1c;
}

.tooltip {
  position: absolute;
  background-color: blue;
  color: white;
}

<div class="map__svg">

<svg data-name="Interactive map" class="interactiveMap" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 601 401">
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