<!DOCTYPE html>
<body style="position: relative;">
  <svg style="top: 0; left: 0; position:absolute;" width="10" height="10">
    <rect id="target" width="5" height="10" />
  </svg>
  <div id="target2" style="position: absolute; width: 10px; height: 10px; top: 0; left: 0; background: lime;"></div>
</body>
<script>
document.body.offsetTop;
document.getElementById('target').setAttribute('width', '10');
document.body.offsetTop;
document.getElementById('target2').style.transform = 'translate(2px, 2px)'
</script>
