JSFiddle - React, Tailwind, and code Playground

by Schepp

HTML

<a href="http://www.seminartickets.de/teilnehmer/14/4554e7e2b8a843d8c62195f9260ba968/json" target="_blank">http://www.seminartickets.de/teilnehmer/14/4554e7e2b8a843d8c62195f9260ba968/json</a>

JavaScript

window.setTimeout(function(){
    var anzahl1 = 0;
    var anzahl2 = 0;
    
    for(var i = 0; i < teilnehmer.length; i++){
        var t = teilnehmer[i];
        if(t.ticketType === "Kombi-Ticket (beide Konferenztage)" || t.ticketType === "1. Konferenztag am 23.11.2012"){
            anzahl1++;        
        }
        if(t.ticketType === "Kombi-Ticket (beide Konferenztage)" || t.ticketType === "2. Konferenztag am 24.11.2012"){
            anzahl2++;        
        }
    }
    alert('1. Tag: ' + anzahl1 + ' Teilnehmer, ' + (300 - anzahl1) + ' frei - 2. Tag: ' + anzahl2 + ' Teilnehmer, ' + (300 - anzahl2) + ' frei');
},500);

var teilnehmer = 

/* Insert JSON from http://www.seminartickets.de/teilnehmer/14/4554e7e2b8a843d8c62195f9260ba968/json here: */

[{"ticketType":"Kombi-Ticket (beide Konferenztage)","name":"t.b.a.","lastName":"t.b.a.","organization":"t.b.a.","twitterName":"t.b.a.","jobTitle":"t.b.a."},{"ticketType":"Kombi-Ticket (beide Konferenztage)","name":"t.b.a.","lastName":"t.b.a.","organization":"t.b.a.","twitterName":"t.b.a.","jobTitle":"t.b.a."},{"ticketType":"Kombi-Ticket (beide Konferenztage)","name":"t.b.a.","lastName":"t.b.a.","organization":"t.b.a.","twitterName":"t.b.a.","jobTitle":"t.b.a."},{"ticketType":"Kombi-Ticket (beide Konferenztage)","name":"t.b.a.","lastName":"t.b.a.","organization":"t.b.a.","twitterName":"t.b.a.","jobTitle":"t.b.a."},{"ticketType":"Kombi-Ticket (beide Konferenztage)","name":"t.b.a.","lastName":"t.b.a.","organization":"t.b.a.","twitterName":"t.b.a.","jobTitle":"t.b.a."},{"ticketType":"Kombi-Ticket (beide Konferenztage)","name":"t.b.a.","lastName":"t.b.a.","organization":"t.b.a.","twitterName":"t.b.a.","jobTitle":"t.b.a."},{"ticketType":"Kombi-Ticket (beide Konferenztage)","name":"t.b.a.","lastName":"t.b.a.","organization":"t.b.a.","twitterName":"t.b.a.","jobTitle":"t.b.a."},{"ticketType":"Kombi-Ticket (beide...