JSFiddle - React, Tailwind, and code Playground

HTML

<div class="test">aaaaaa</div>
<div class="test">aaaaaa</div>
<div class="test">aaaaaa</div>
<div class="test">aaaaaa</div>

<button id="btn">Click</button>

CSS

.test{
    background-color: tomato;
}

JavaScript

$('#btn').click(function(){
    var guid = generateUUID();
    $('.test').removeClass('test').addClass(guid);
});


function generateUUID(){
    var d = new Date().getTime();
    var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
        var r = (d + Math.random()*16)%16 | 0;
        d = Math.floor(d/16);
        return (c=='x' ? r : (r&0x3|0x8)).toString(16);
    });
    return uuid;
};