Clearing all cookies with JavaScript

Question

How do you delete all the cookies for the current domain using JavaScript?

Answer 1

I found a problem in IE and Edge. Webkit browsers (Chrome, safari) seem to be more forgiving. When setting cookies, always set the "path" to something, because the default will be the page that set the cookie. So if you try to expire it on a different page without specifying the "path", the path won't match and it won't expire. The document.cookie value doesn't show the path or expiration for a cookie, so you can't derive where the cookie was set by looking at the value.

If you need to expire cookies from different pages, save the path of the setting page in the cookie value so you can pull it out later or always append "; path=/;" to the cookie value. Then it will expire from any page.