vermie

function makeWorker(fn, args, callback) {
    var fnString = 'self.addEventListener("message", function (e) {self.postMessage((' + fn.toString() + ').apply(this, e.data))});',
        blob = new Blob([fnString], { type: 'text/javascript' }),
        url = URL.createObjectURL(blob),
        worker = new Worker(url);

    worker.postMessage(args);
    worker.addEventListener('message', function (e) {
        URL.revokeObjectURL(url);
        callback(e.data);

vermie

function hasIndex(array, index) {
    return array.splice(index, 1).reduce(function () {
        return true;
    }, false);
}

var array = [];
hasIndex(array, 0); // => false

array[0] = 1;

vermie

var bacon = (function () {

    var bacon = {},
        defaultBase = 2;

    function getEncodedWidth(alphabet, base) {
        var width = 1 + Math.floor(Math.log(alphabet.length) / Math.log(base));
        return width;
    }