function logResult(result) {
    var container = document.createElement('PRE');
    document.body.appendChild(document.createElement('HR'));
    document.body.appendChild(container);
    container.setAttribute('class', 'logResult');
    container.innerHTML = typeof result + ': ' + result;
}

/*
logResult(234);
logResult(logResult);
logResult("test");
logResult();
logResult({});
*/