JSFiddle - React, Tailwind, and code Playground

HTML

<img onload="getImgSrc(this,'http://highrobotics.com/media/images/main_page/about_icon_x1.png')" 
  width="239" height="226" />

JavaScript

/* RETINA READY IMG SRC */
function getImgSrc(img, src) {
    var srcResult = src;
    // if high-res screen then change _x1 on _x2
    if (window.devicePixelRatio > 1 && 
        src.indexOf("_x1.")>=0) {
          srcResult = src.replace("_x1.", "_x2.");
    }
    img.onload = null; //protect from second rasing
    img.src = srcResult;    
}

$(document).ready(function(){
  // fire onload trigger on IMG tags that have empty SRC attribute
  var images = $('img:not([src=""])');
    images.each(function(i) {
        $(this).trigger('onload');            
    });
});