JSFiddle - React, Tailwind, and code Playground

JavaScript

var imgArray = ['1.png', '2.png', '3.png', '4.png', '5.png', '6.png', '7.png', '8.png'];
var basePath="http://www.horshamjudoclub.com/Site/Scripts/Widgets/Timer/odometer/";

function imgRandom() {
    for (var i = 0; i < 18; i++) {
        var rand = imgArray[Math.floor(Math.random() * imgArray.length)];
        var image = new Image();
        image.src = basePath+rand;
        document.body.appendChild(image);
    }
}

imgRandom();