문제

I want to use JQuery to delete cookies ; I tried this

$.cookie('name', '', { expires: -1 });

Then I refresh the page and the cookie is still there :

alert('name:' +$.cookie('name'));

Why? Thanks

도움이 되었습니까?

해결책

To delete a cookie with JQuery, set the value to null:

$.cookie("name", null, { path: '/' });

Edit: The final solution was to explicitly specify the path property whenever accessing the cookie, because the OP accesses the cookie from multiple pages in different directories, and thus the default paths were different (this was not described in the original question). The solution was discovered in discussion below, which explains why this answer was accepted - despite not being correct.

For some versions jQ cookie the solution above will set the cookie to string null. Thus not removing the cookie. Use the code as suggested below instead.

$.removeCookie('the_cookie', { path: '/' });

다른 팁

You can try this:

$.removeCookie('the_cookie', { path: '/' });

source: https://github.com/carhartl/jquery-cookie#readme

You can also delete cookies without using jquery.cookie plugin:

document.cookie = 'NAMEOFYOURCOOKIE' + '=; expires=Thu, 01-Jan-70 00:00:01 GMT;';

it is the problem of misunderstand of cookie. Browsers recognize cookie values for not just keys also compare the options path & domain. So Browsers recognize different value which cookie values that key is 'name' with server setting option(path='/'; domain='mydomain.com') and key is 'name' with no option.

Try this

 $.cookie('_cookieName', null, { path: '/' });

The { path: '/' } do the job for you

Worked for me only when path was set, i.e.:

$.cookie('name', null, {path:'/'})

What you are doing is correct, the problem is somewhere else, e.g. the cookie is being set again somehow on refresh.

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