function for work with cookies (reading, writing, deleting)

###set:

cookie('mytestcookie', 'value', { path: '/',  expires: 10  });

path

path: '/'

set cookie to all pages

expires

expires: 10

set to 10 days, or can set date (new Date())

domain

domain: 'mydomain'

The domain where the cookie is valid

secure

secure: true

The cookie transmission requires a secure protocol (https)

###get: var value = cookie('mytestcookie');

return cookie value or null

###remove cookie('mytestcookie', null);