JSFiddle - React, Tailwind, and code Playground

by Tushar Jadhav

HTML

<div id="mySelector">
    <span class="child">a</span>
    <span class="child">b</span>
    <span class="child">c</span>
    <span class="child">d</span>
    <span class="child">e</span>
</div>

JavaScript

var len = $('#mySelector .child').length,
    i = 0;


setInterval(function() {    
    $('#mySelector .child').eq(i++ % len).css('color', 'red').siblings('.child').css('color', 'green');
}, 500);