JSFiddle - React, Tailwind, and code Playground

by Serge Zahharenko

HTML

<div class="b">B</div>
<div class="b">B</div>
<div class="b">B</div>
<div class="b">B</div>
<div class="b">B</div>
<div class="b">B</div>

CSS

.b {paddind:5px;float:left;border:solid 1px #ccc;}
.b.c {border-color:red;}

JavaScript

var a;
function test() {
    console.log(a)
    var result = a.filter('.c').length;
    alert('.c kokku - ' + result);
}
$(document).ready(function(){
    a = $('.b');
    $('div').addClass('c');
    test();
})