JSON Numbers

I've seen two recent posts* about numbers in JSON, but the numbers they give don't fail for me. I'm curious what platforms / parsers do error on these numbers. *http://lethargy.org/~jesus/writes/why-json-sucks and http://groups.google.com/group/twitter-api-announce/browse_thread/thread/6a16efa375532182

by John Schulz

HTML

<div id="output"></div>

JavaScript

if ('JSON' in window){ addJSON(); }

var tests = {
    // From http://lethargy.org/~jesus/writes/why-json-sucks
    jesus: '{"id": 4611686018427387900}',

    // From http://groups.google.com/group/twitter-api-announce/browse_thread/thread/6a16efa375532182
    twitter_str: '{"id": ' + (90071992547409921).toString() + '}',
    twitter_obj: '{"id": 10765432100123456789}'
};

log('maximum:', Number.MAX_VALUE);
for (var id in tests) {
    try {
        var obj = JSON.parse(tests[id]);
        log(id, 'PASS:', obj.id);
        track(id);
    } catch (err) {
        log(id, 'FAIL:', err);
        track(id, err);
    }
}

function track(id, err) 
{
    var img = new Image();
    var bin = 'http://www.postbin.org/130y0e3';
    var url = bin + '?id=' + id + '&ua=' + encodeURIComponent(navigator.userAgent);

    url += '&result=' + (err ? 'fail' : 'pass');
    img.src = url;
    document.body.appendChild(img);
}

function log() 
{
    var msg = [].slice.call(arguments).join(' ');
    if (!log.el) {
        log.el = document.getElementById('output');
    }
    log.el.innerHTML += '<p>' + msg + '</p>';
}

function addJSON()
{
    var url = 'http://gist.github.com/raw/633485/1186a6dc681bfda5824f3067934dd62490c1cb9f/json2.js';
    var script = document.createElement('script');
    script.src = url;
    document.body.appendChild(script);
}