Javascript Cookie with no expiration date

Question

I would like to set up a cookie that never expires  Would that even be possible    document cookie    name value  expires date  path path domain domain  secure     I don t want to make the date really large  I am just wondering if there was a value for the expires parameter on the cookie that told it never to expire    Thanks

User · Answer

All cookies expire as per the cookie specification, Maximum value you can set is

 2^31 - 1 = 2147483647 = 2038-01-19 04:14:07

So Maximum cookie life time is

$.cookie('subscripted_24', true, { expires: 2147483647 });

User · Answer

You could possibly set a cookie at an expiration date of a month or something and then reassign the cookie every time the user visits the website again

User · Answer

Nope  That can t be done  The best  way  of doing that is just making the expiration date be like 2100

User · Answer

YOU JUST CAN T  There s no exact code to use for setting a forever cookie but an old trick will do  like current time   10 years    Just a note that any dates beyond January 2038 will doomed you for the cookies  32-bit int  will be deleted instantly  Wish for a miracle that that will be fixed in the near future  For 64-bit int  years around 2110 will be safe  As time goes by  software and hardware will change and may never adapt to older ones  the things we have now  so prepare the now for the future      See Year 2038 problem

User · Answer

You can make a cookie never end by setting it to whatever date plus one more than the current year like this     var d   new Date        document cookie    username John Doe  expires Thu  18 Dec      d getFullYear     1      12 00 00 UTC

User · Answer

You can do as the example on Mozilla docs    document cookie    someCookieName true  expires Fri  31 Dec 9999 23 59 59 GMT     P S   Of course  there will be an issue if humanity still uses your code on the first minute of year 10000

User · Answer

If you intend to read the data only from the client-side  you can use the local storage  It s deleted only when the browser s cache is cleared

User · Answer

If you don t set an expiration date the cookie will expire at the end of the user s session  I recommend using the date right before unix epoch time will extend passed a 32-bit integer  To put that in the cookie you would use document cookie    randomCookie true  expires Tue  19 Jan 2038 03 14 07 UTC   assuming that randomCookie is the cookie you are setting and true is it s respective value

User · Answer

There is no syntax for what you want   Not setting expires causes the cookie to expire at the end of the session   The only option is to pick some arbitrarily large value   Be aware that some browsers have problems with dates past 2038  when unix epoch time exceeds a 32-bit int

[javascript] Javascript Cookie with no expiration date

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