Cookie

Benchmark created by Duke Energy on December 15, 2010

Preparation HTML

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script>
  jQuery.cookie = function(name, value, options) {
   if (typeof value != 'undefined' || (name && typeof name != 'string')) { // name and value given, set cookie
    if (typeof name == 'string') {
     options = options || {};
     if (value === null) {
      value = '';
      options.expires = -1;
     }
     var expires = '';
     if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
      var date;
      if (typeof options.expires == 'number') {
       date = new Date();
       date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
      } else {
       date = options.expires;
      }
      expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
     }
     // CAUTION: Needed to parenthesize options.path and options.domain
     // in the following expressions, otherwise they evaluate to undefined
     // in the packed version for some reason...
     var path = options.path ? '; path=' + (options.path) : '';
     var domain = options.domain ? '; domain=' + (options.domain) : '';
     var secure = options.secure ? '; secure' : '';
     document.cookie = name + '=' + encodeURIComponent(value) + expires + path + domain + secure;
    } else { // `name` is really an object of multiple cookies to be set.
     for (var n in name) {
      jQuery.cookie(n, name[n], value || options);
     }
    }
   } else { // get cookie (or all cookies if name is not provided)
    var returnValue = {};
    if (document.cookie) {
     var cookies = document.cookie.split(';');
     for (var i = 0; i < cookies.length; i++) {
      var cookie = jQuery.trim(cookies[i]);
      // Does this cookie string begin with the name we want?
      if (!name) {
       var nameLength = cookie.indexOf('=');
       returnValue[cookie.substr(0, nameLength)] = decodeURIComponent(cookie.substr(nameLength + 1));
      } else if (cookie.substr(0, name.length + 1) == (name + '=')) {
       returnValue = decodeURIComponent(cookie.substr(name.length + 1));
       break;
      }
     }
    }
    return returnValue;
   }
  }
  
  function setCookie(name, value, days) {
   if (days) {
    var date = new Date();
    date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
    var expires = "; expires=" + date.toGMTString();
   }
   else var expires = "";
   document.cookie = name + "=" + value + expires + "; path=/";
  }
  
  function getCookie(name) {
   var nameEQ = name + "=";
   var ca = document.cookie.split(';');
   for (var i = 0; i < ca.length; i++) {
    var c = ca[i];
    while (c.charAt(0) == ' ') c = c.substring(1, c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
   }
   return null;
  }
  
  function deleteCookie(name) {
   setCookie(name, "", -1);
  }
</script>

Test runner

$(function() {
 $.cookie({
  'jqueryCookie': 'Test'
 });
});

$(function() {
 setCookie('jsCookie', 'Test');
});

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.

• Revision 1: published by Duke Energy on December 15, 2010