javascript set cookie with expire time

Question

I am setting a cookie by Javascript and it is working fine but it is not taking the expire time I am giving  It keeps on taking session value regardless of what I give  below is the code which I took from here  var now   new Date    var time   now getTime    var expireTime   time   1000 60  now setTime expireTime   var tempExp    Wed  31 Oct 2012 08 50 17 GMT   document cookie   aaa     sStr   expires   now toGMTString     path       I tried giving hard-coded value but still it is showing expire as session in chrome dev tool  var tempExp    Wed  31 Oct 2012 08 50 17 GMT   document cookie   aaa     sStr   expires   tempExp   path       Any idea what I am doing wrong

User · Answer

Below are code snippets to create and delete a cookie. The cookie is set for 1 day.

// 1 Day = 24 Hrs = 24*60*60 = 86400.

By using max-age:

Creating the cookie:

document.cookie = "cookieName=cookieValue; max-age=86400; path=/;";

Deleting the cookie:

document.cookie = "cookieName=; max-age=- (any digit); path=/;";

By using expires:

Syntax for creating the cookie for one day:

var expires = (new Date(Date.now()+ 86400*1000)).toUTCString();
document.cookie = "cookieName=cookieValue; expires=" + expires + 86400) + ";path=/;"

User · Answer

Here s a function I wrote another application  Feel free to reuse   function writeCookie  key  value  days        var date   new Date            Default at 365 days      days   days    365          Get unix milliseconds at current time plus number of days     date setTime   date    days   86400000      24   60   60   1000      window document cookie   key         value      expires     date toGMTString        path          return value

User · Answer

Use like this  source    function setCookie c name value exdays     var exdate new Date    exdate setDate exdate getDate     exdays   var c value escape value      exdays  null            expires   exdate toUTCString     document cookie   c name     c value    path

User · Answer

I use a function to store cookies with a custom expire time in days       use it like  writeCookie  mycookie    1   30     this will set a cookie for 30 days since now function writeCookie 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

User · Answer

I d like to second Polin s answer and just add one thing in case you are still stuck  This code certainly does work to set a specific cookie expiration time  One issue you may be having is that if you are using Chrome and accessing your page via  http   localhost     or  file      Chrome will not store cookies  The easy fix for this is to use a simple http server  like node s http-server if you haven t already  and navigate to your page explicitly as  http   127 0 0 1  in which case Chrome WILL store cookies for local development  This had me hung up for a bit as  if you don t do this  your expires key will simply have the value of  session  when you investigate it in the console or in Dev Tools

User · Answer

document cookie    cookie name cookie value  max-age 31536000  path       Will set the value for a year

User · Answer

I ve set the time to 1000 36000  function display        var now   new Date      var time   now getTime      var expireTime   time   1000 36000    now setTime expireTime     document cookie    cookie ok expires   now toUTCString     path         console log document cookie        Wed  31 Oct 2012 08 50 17 UTC

User · Answer

Your browser may be configured to accept only session cookies  if this is your case  any expiry time is transformed into session by your browser  you can change this setting of your browser or try another browser without such a configuration

[javascript] javascript set cookie with expire time

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