JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <img src="http://i.imgur.com/vTdko.gif" class="busy right"/>
    <input id="button" type="button" value="click me"/>
    <img src="http://i.imgur.com/vTdko.gif" class="busy left"/>

<div>

CSS

.busy
{
    opacity: 0;
    border:solid 1px black;
}
.left
{
    margin-top:3px;
    float:left;
}

JavaScript

$(function() {      
    $("#button").click(function(){
        var opacity = $(".busy").css('opacity') == 1 ? 0 : 1;
        $(".busy").animate({opacity: opacity}, 1000);
    });
});