Тот случай, когда ответ со StackOverflow не поможет

Javascript Cookie with no expiration date Asked 11 years, 3 months ago Active 1 year, 8 months ago Viewed 167k times Nope. Can't be done. The 'way' of doing that is just making the expiration date be like 2020. 157 share edit follow flag edited Jan 20 "18 at 8:56 PyRulez 8,722 *7 *35 #75