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Asked: 2026-05-13T21:02:46+00:00

I’m wondering if using the following Javascript code is reliable: if (!document.cookie) { alert(‘Cookies

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I’m wondering if using the following Javascript code is reliable:

if (!document.cookie) {
    alert('Cookies are disabled.');
}

I’ve tested this in IE, Firefox and Chrome and it seems that when you disabled cookies, the document.cookie object becomes unavailable. Does anyone have any experience with this method working/not working?

Many Thanks
Stephen

Additional

I’m well aware that this method requires JavaScript to be enabled on the client. I’m also aware of other server-side/JavaScript solutions. Please can the discussion remain on topic.

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1 Answer

  1. Editorial Team

    The only reliable way to me in this scenario (check if cookies are disabled, you don’t mind about the javascript issues, and need a client-side solution) is to use a set function for a test cookie, then a get function to read it back. If the test cookie can’t be read back, cookies are off.

    You can write your own implementation of it reading a great resource from quirksmode, use a jQuery plugin or an out-of-box solution.

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