JSFiddle - React, Tailwind, and code Playground

HTML

<a class="ltwitch" href="#" data-tnick="attackerdota">Aloha</a> (<span>Checking</span>)

JavaScript

$.ajax({
 type: 'GET',
 url: 'https://api.twitch.tv/kraken/channels/twitch',
 headers: {
   'Client-ID': 'axjhfp777tflhy0yjb5sftsil'
 },
 success: function(data) {
   console.log(data);
 }
 
jQuery(document).ready(function($) {
    $('.ltwitch').each(function () {
        var tnick = $(this).data('tnick');
        var span = $(this).next();
        
	    $.getJSON("https://api.twitch.tv/kraken/streams/"+tnick+".json?callback=?", function(c) {
	    	if (c.stream == null) {
    			span.html("Offline");
		    } else {
			    span.html("Online");
		    }
	    });
    });
});