Describe the difference between a ‘cookie’, ‘sessionStorage’ and ‘localStorage’.

Technology CommunityCategory: HTML5Describe the difference between a ‘cookie’, ‘sessionStorage’ and ‘localStorage’.
VietMX Staff asked 3 years ago

All the above-mentioned technologies are key-value storage mechanisms on the client side. They are only able to store values as strings.

cookie localStorage sessionStorage
Initiator Client or server. Server can use Set-Cookie header Client Client
Expiry Manually set Forever On tab close
Persistent across browser sessions Depends on whether expiration is set Yes No
Sent to server with every HTTP request Cookies are automatically being sent via Cookie header No No
Capacity (per domain) 4kb 5MB 5MB
Accessibility Any window Any window Same tab