getboundingclientrect

1  var div = document.getElementById("myDiv");
2  var rect = div.getBoundingClientRect();
3  x = rect.left;
4  y = rect.top;
5  w = rect.width;
6  h = rect.height;

1// Return the size of an element and its position relative to the viewport:
2
3const rect = obj.getBoundingClientRect();
4console.log(rect)