Cookie Size Meter

cookiemeter.js

// Cookie size meter
(function () {
    var div = document.createElement('div');
    div.style.position = 'absolute';
    div.style.top = '10px';
    div.style.left = '10px';
    div.style.border = '1px dashed black';
    div.style.cursor = 'crosshair';
    div.style.padding = '2px';
    div.style.zIndex = 10000;
    div.style.backgroundColor = 'white';
    div.style.fontFamily = '"Source Sans Pro", Helvetica, sans-serif';
    div.style.fontSize = '13px';
    if (div.parentNode !== document.body) {
        document.body.appendChild(div);
    }
    div.addEventListener('click', function () {
        div.innerText = Math.trunc(document.cookie.length / (1024*4) * 100) + '% cookie usage'
    });
    div.click();
})();