JSFiddle - React, Tailwind, and code Playground

HTML

<html>
<body>
    
    <a href=""><img class="button" src="http://4.bp.blogspot.com/_90AzPmMn9yA/SbODrtuQkNI/AAAAAAAAAW8/XPXXDi9mW_s/s320/%D0%9A%D0%BD%D0%BE%D0%BF%D0%BA%D0%B0.png"></a>
    
    <br>    
    
    <a href=""><img class="button" src="http://4.bp.blogspot.com/_90AzPmMn9yA/SbODrtuQkNI/AAAAAAAAAW8/XPXXDi9mW_s/s320/%D0%9A%D0%BD%D0%BE%D0%BF%D0%BA%D0%B0.png"></a>
    
    <br>    

        <a href=""><img class="button" src="http://4.bp.blogspot.com/_90AzPmMn9yA/SbODrtuQkNI/AAAAAAAAAW8/XPXXDi9mW_s/s320/%D0%9A%D0%BD%D0%BE%D0%BF%D0%BA%D0%B0.png"></a>
    
    </body>
    
</html>

CSS

img {height: 160px; width: 160px}

JavaScript

$(".button").click(function() {

    $(this).attr("class", "qaz");
    alert("ok");
    return false;
});