JSFiddle - React, Tailwind, and code Playground

JavaScript

var src = "http://jpct.de/jpctnet/pics/egonolsen.jpg";

function go(thing) {
    var $thing = $(thing);
    $thing.animate(
        {
            opacity: ($thing.css("opacity")==1)?0:1
        },
        5000 * Math.random()+500,
        function() {
            go(thing); 
        }
    );
}

console.log($("body"));

for (var i=0; i<25; ++i) {
    $img = $("<img>");
    $img.attr("src", src);
    $("body").append($img);
    go($img);
}