JSFiddle - React, Tailwind, and code Playground

HTML

<p><i data-tnick="lirik" class="fa fa-heart counter"></i>  <span>0</span>
</p>

JavaScript

jQuery(document).ready(function ($) {
    $('.counter').each(function () {
        var tnick = $(this).data.stream('tnick');
        var span = $(this).next();
        $.getJSON('https://api.twitch.tv/kraken/channels/' + tnick + '.json?callback=?', function (data) {
            var followers = data.stream.followers;
            span.html(followers);

        });
    });
});