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Thread: JS cookies

  1. #1
    Join Date
    Jun 2011
    Posts
    2

    JS cookies

    I am working on an exercise in javascript where you have can choose between four different css-files. So far so good.

    My problem is that I need to create a cookie that remember which css-file you choose if you have been at this site before. I have tried to solve this with document.cookie = "filename.css". This works perfect at my computer, if I put it out to my server it doesn't work at all. Could someone please help me?

  2. #2
    Join Date
    Dec 2002
    Location
    St. Louis, MO, USA
    Posts
    1,582
    First of all, cookies work with NVP (Name Value Pair); all you are providing is the V, without the N. ("filename.css"). You need to do document.cookie = "thisFile = filename.css;";

    Secondly, without an expire date the cookie is not planted on the user's hard drive; it's a session cookie that disappears as soon as you close the browser.

    This website has some good information on working with cookies in JavaScript http://www.quirksmode.org/js/cookies.html
    |||||
    o . Q
    ___ "You live and you learn; or you don't live long." - Lazarus Long

    ^_^

  3. #3
    Join Date
    Jun 2011
    Posts
    2
    Thanks for your fast reply and help!

    could something like this work?
    document.cookie = '"thisFile = filename.css;"; expires=Thu, 4 Aug 2011 20:47:11 UTC; path=/'

  4. #4
    Join Date
    Dec 2002
    Location
    St. Louis, MO, USA
    Posts
    1,582
    Quote Originally Posted by sunny_days View Post
    Thanks for your fast reply and help!

    could something like this work?
    document.cookie = '"thisFile = filename.css;"; expires=Thu, 4 Aug 2011 20:47:11 UTC; path=/'
    Almost.
    Code:
    document.cookie = 'thisFile = filename.css; expires=Thu, 4 Aug 2011 20:47:11 UTC;'
    You don't put quotes around the variable name or value. Path is really unnecessary, except for real detailed stuff.
    |||||
    o . Q
    ___ "You live and you learn; or you don't live long." - Lazarus Long

    ^_^

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HTML5 Development Center

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