Have you tried to find something? Let me help you: http://caniuse.com/#feat=namevalue-storage http://caniuse.com/#feat=namevalue-storage http://stackoverflo

Have you tried to find something? Let me help you: http://caniuse.com/#feat=namevalue-storage http://caniuse.com/#feat=namevalue-storage http://stackoverflow.com/a/3220802/680786 http://stackoverflow.com/a/3220802/680786 In short: LocalStorage is supported by all browsers, has no security issues as cookies have, has much bigger storage limit, much more handy API and don't need to be send on each request.