JSFiddle - React, Tailwind, and code Playground
HTML
<span class="btn" data-click="btn">btn</span>
<span class="fC">fC</span>
<span class="sC">sC</span>
<span class="tC">tC</span>
JavaScript
$(function(){
$('.btn').on("click", function(){
if($(this).attr("data-click") == "btn"){
$('.fC').addClass('fCr');
$('.sC').addClass('sCr');
$('.btn').attr("data-click", "btn1")
}
else{
$('.tC').addClass('tCr');
$('.sC').addClass('fCr');
}
});
});