JSFiddle - React, Tailwind, and code Playground

JavaScript

var tmpImg = new Image();
    tmpImg.src="https://www.google.com/intl/en_com/images/srpr/logo3w.png"; //or  document.images[i].src;
    $(tmpImg).one('load',function(){
      orgWidth = tmpImg.width;
      orgHeight = tmpImg.height;
      alert(orgWidth+"x"+orgHeight);
    });