Question

56

How to append a value to a cookie in javascript

rated 0 times [ 58] [ 2] / answers: 1 / hits: 32814 / 13 Years ago, tue, january 31, 2012, 12:00:00

It must have been 15 years since I set a cookie value with javascript ...

document.cookie = 'key=value';  //got that ...

How do I append another value with the same key? I want to create a list of values (page=1,34,48,59...) that I can then read and loop over. Or is there a better way?

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sandra

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answered 13 Years ago rylee · Accepted Answer

Specify them all once eg:

var value = ['1', '2', '3', 'n'].join(',');

document.cookie = 'key=' + value;

where 'key=' + value will now be:

key=1,2,3,n

Or alternatively, read your data from cookie first and add new data:

var keycookie = // read your cookie here

keycookie += 'new stuff';

document.cookie = 'key=' + keycookie;