Javascript cookie removal not working on Chrome

Question

I'm using javascript to remove a cookie but for some reason it isn't working with Chrome. The script I'm using is;

function clearCookie() { document.cookie = 'myCookie=; expires=Thu, 01-Jan-70 00:00:01 GMT; path=/myPath/'; }

This works on;

IE 8.0.6
Firefox 3.6.12

..but doesn't work on Chrome 7.0.517.44, after the cookie is supposed to be cleared I can still see it and the value hasn't changed.

Any ideas? Are there any user settings in Chrome that might prevent my cookie from being removed?

I don't know about chrome, so this is just a guess. Maybe chrome caches the view of cookies? Or: What happens after you quit chrome and reopen it? Is the cookie still there? — Fidi
– Fidi, Commented Nov 11, 2010 at 12:01
The cookie expires when the session ends, so yes, closing the browser and reopening clears it. — Qwerky
– Qwerky, Commented Nov 11, 2010 at 12:22
Also try to navigate to a different page on the same domain after you clear the cookie - does the cookie still exist? — Dror
– Dror, Commented Nov 11, 2010 at 13:20

Community · Accepted Answer · 2017-05-23 12:00:01Z

2

Chrome doesn't support cookies on file:// and localhost uris. See this so question - Why does Chrome ignore local jQuery cookies?

edited May 23, 2017 at 12:00

CommunityBot

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answered Jun 8, 2012 at 15:16

scaryman

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Comments

Martin Jespersen · Accepted Answer · 2011-01-12 13:20:00Z

1

You need to use the right datetime format for it to work. The following should do the trick

function clearCookie() { document.cookie = 'myCookie=; expires='+new Date(0).toUTCString() +'; path=/myPath/'; }

And of course you need to specify the exact same path and&or domain specified on cookie creation.

answered Jan 12, 2011 at 13:20

Martin Jespersen

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4 Comments

Martin Jespersen Over a year ago

It works exactly like it should as you can see in this fiddle: jsfiddle.net/cWshc/2 - if you can't make it work you are probably not setting the right path or domain or similar.

Justin Carlson Over a year ago

same issue for me. Chrome is not deleting cookies when i run the clearCookie function provided.

iainbeeston Over a year ago

For me this works if I use .toGMTString() (I've not tried toUTCString())

Martin Jespersen Over a year ago

To quote MDN: toGMTString is deprecated and should no longer be used, it's only there for backwards compatibility, use toUTCString instead. (they will give you the same output)

deadman1204 · Accepted Answer · 2014-12-04 16:31:02Z

You can clear a cookie in chrome, but you need to set the domain as well when creating the blank cookie to replace the current one.

Ismael Cruz · Accepted Answer · 2013-11-15 08:29:57Z

Chrome and FF have severity problems with this. Here you can see both browsers bugs and their status is WONTFIX...

Chrome: https://code.google.com/p/chromium/issues/detail?id=128513

FF: https://bugzilla.mozilla.org/show_bug.cgi?id=443354

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