eventbrite tickets count

eventbrite_tickets_count.md

remaining tickets count from Eventbrite, without API key

index.html

<span style="text-align:center">
  <h4 id="premsg">checking available tickets..</h4>
  <p><a href="#" type="button" id="event" class="btn btn-success">get your tickets!</a></p>
</span>

script.js

// eventPage
var eventPage = 'https://www.eventbrite.com/e/extreme-beer-fest-2016-tickets-17643961564';

// set button link URL to eventPage
$("#event")[0].href = eventPage;

// regex to grab tickets remaining element
var reg = /(\d+)(\sTickets)/;

// default to this ticket amount, when event is doesn't report ticket counts
var tr = 'no';

// do the thing
$.get('http://crossorigin.me/' + eventPage, function(data) {
  text = $('td[itemprop="inventoryLevel"]', data).text();
  waitList = /Add to Waitlist/.exec(data);
  console.log('Waitlist: ' + waitList);
  try {
    tr = reg.exec(text)[1];
    $("#event").html(tr + ' tickets remaining');
    $("#premsg").html('hooray!');
  } catch (err) {
    if (waitList) {
      $("#premsg").html('no tickets available :`(');
      $("#event").html('get on waiting list');
    }
  }
});

scripts

<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>

styles

<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" />