JSFiddle - React, Tailwind, and code Playground

HTML

<div id="b1"><img src="http://mtdata.ru/u19/photoDE8D/20177202816-0/original.jpg"></div>
<div id="b2"></div>

CSS

#b1 img{
  width:200px;
}
#b2 img{
  width:100px;
}

JavaScript

var b1 = document.getElementById('b1').innerHTML;
var b2 = document.getElementById('b2').innerHTML = b1;