Profile referencing `window` directly and through a local variable

by josh3736

HTML

<button id="closure">closure</button>
<button id="plain">plain</button>

JavaScript

document.getElementById('closure').onclick = function() {
    (function closureTest(win, doc, u) {
        for (var i = 0; i < 100000000; i++) {
            void(win);
        }
    })(window, document);
};

document.getElementById('plain').onclick = function plainTest() {
    for (var i = 0; i < 100000000; i++) {
        void(window);
    }
};