JavaScript performance comparison

Revision 3 of this test case created


Test performance of jquery.cookie access

Preparation code

<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery-cookie/1.3.1/jquery.cookie.min.js"></script>
Benchmark.prototype.setup = function() {
    $.cookie("TEST", 123);
    $.cookie("TEST2", 345);
    $.cookie("TEST3", 123);
    $.cookie("TEST4", 345);
    $.cookie("TEST5", 123);
    $.cookie("TEST6", 345);
    var getCookieValue = function(key) {
      return $.cookie(key);
    var cookieHash = {};
    var currentCookieVal = undefined;
    var isCacheValid = function() {
      return currentCookieVal === document.cookie;
    var getHashedCookieVal = function(key) {
      if (!isCacheValid()) {
        cookieHash = {
          key: $.cookie(key)
      if (cookieHash[key] == null) {
        cookieHash[key] = $.cookie(key);
      return cookieHash[key];

Benchmark.prototype.teardown = function() {
    $.cookie("TEST", null);
    $.cookie("TEST2", null);
    $.cookie("TEST3", null);
    $.cookie("TEST4", null);
    $.cookie("TEST5", null);
    $.cookie("TEST6", null);

Preparation code output

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Testing in unknown unknown
Test Ops/sec
Accessing Cookie via $.cookie
var value = getCookieValue("TEST")
Accessing Cookie via object hash
var value = getHashedCookieVal("TEST")

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