Jameswilliamquinn2016

function checkSupport(fn) {
    var html = document.documentElement,
        WebP = new Image();

    WebP.onload = WebP.onerror = function() {
        isSupported = (WebP.height === 2);

        if (isSupported) {
            if (html.className.indexOf('no-webp') >= 0)
                html.className = html.className.replace(/\bno-webp\b/, 'webp');

Jameswilliamquinn2016

/**
 * Fancy ID generator that creates 20-character string identifiers with the following properties:
 *
 * 1. They're based on timestamp so that they sort *after* any existing ids.
 * 2. They contain 72-bits of random data after the timestamp so that IDs won't collide with other clients' IDs.
 * 3. They sort *lexicographically* (so the timestamp is converted to characters that will sort properly).
 * 4. They're monotonically increasing.  Even if you generate more than one in the same timestamp, the
 *    latter ones will sort after the former ones.  We do this by using the previous random bits
 *    but "incrementing" them by 1 (only in the case of a timestamp collision).
 */

Jameswilliamquinn2016

function Ajax() {
}

Ajax.prototype.jsonpHandler = function (url, callback) {
  var scripturl = url + ((url.indexOf("?") !== -1) ? "&" : "?") + "callback=" + callback;
  document.write('<script src="' + scripturl + '"></script>');
  return scripturl;
};

Ajax.prototype.request = function (method, url, fallback, options) {