Tutorial by Examples

The following variables set up the below example: var COOKIE_NAME = "Example Cookie"; /* The cookie's name. */ var COOKIE_VALUE = "Hello, world!"; /* The cookie's value. */ var COOKIE_PATH = "/foo/bar"; /* The cookie's path. */ var COOKIE_EXPIRES; ...

var name = name + "=", cookie_array = document.cookie.split(';'), cookie_value; for(var i=0;i<cookie_array.length;i++) { var cookie=cookie_array[i]; while(cookie.charAt(0)==' ') cookie = cookie.substring(1,cookie.length); if(cookie.indexOf(name)==0) ...

var expiry = new Date(); expiry.setTime(expiry.getTime() - 3600); document.cookie = name + "=; expires=" + expiry.toGMTString() + "; path=/" This will remove the cookie with a given name.

If you want to make sure cookies are enabled before using them, you can use navigator.cookieEnabled: if (navigator.cookieEnabled === false) { alert("Error: cookies not enabled!"); } Note that on older browsers navigator.cookieEnabled may not exist and be undefined. In those case...