A simple "hello world" in javascript o:)

simpleHelloWorld.js

(function () {
    var finalSentence, alpha, word;
    finalSentence = '';
    alpha = [];
    word = [];

    function countToAlpha(callback) {
        for (var i = 65; i <= 122; i++) {
            alpha.push(i);
        }
        alpha.push(32);
        callback();
    }

    function helloWorldToBinaryCodeOfTheDead(callbackToo) {
        var str = "Hello world !";
        var tab = str.split('');
        for (var j = 0; j < tab.length; j++) {
            word.push(tab[j].charCodeAt(0).toString(2));
        }
        callbackToo();
    }

    function make() {
        for (var count = 0; count < word.length; count++) {
            for (var i = 0; i < alpha.length; i++) {
                if (String.fromCharCode(parseInt(word[count], 2)) === String.fromCharCode(alpha[i])) {
                    finalSentence += String.fromCharCode(alpha[i]) || String.fromCharCode(parseInt(word[count], 2));
                    break;
                } else {
                    continue;
                }
            }
        }
        console.log(finalSentence);
    }
    countToAlpha(function () {
        helloWorldToBinaryCodeOfTheDead(function () {
            make();
        });
    });
})(this);