JSFiddle - React, Tailwind, and code Playground

JavaScript

var images = [];
for (var i=1; i<10; i++) {
    images[i] = new Image();
    (function(j) {
      images[i].onload = function () {
          console.log("Image " + i + ", " + j + " loaded");
      };
    })(i);
    images[i].src = "http://blog.internetnews.com/skerner/smk/testpilot.png";
}