JSFiddle - React, Tailwind, and code Playground

by Mathias Bynens

HTML

<pre>Loading…</pre>
<script src="http://fronteers.nl/congres/2013/attendees.json?callback=lolwat"></script>

JavaScript

// https://gist.github.com/1031788

function text(el, str) {
	if (str == null) {
		return el.innerText || el.textContent;
	}
	el.innerText != null && (el.innerText = str);
	el.textContent != null && (el.textContent = str);
}

function lolwat(data) {
    var belgians = data.fronteers2013.andAllTheirOtherData.filter(function(attendee) {
        return attendee.country == 'BE';
    }).map(function(attendee) {
        return attendee.name + (attendee.twitter ? ' (@' + attendee.twitter + ')' : '');
    }),
    title = belgians.length + ' Belgian #fronteers13 attendees:';
    text(
        document.querySelector('pre'),
        [title, Array(title.length + 1).join('=')].concat(belgians).join('\n')
    );
}