Unverified50% confidenceFactExact time
localStorage provides approximately 5–10 MB of key-value storage space, uses a synchronous read/write mechanism, can only store string-type data, and does not support cross-device synchronization.
1
Sources
50%
Confidence
Long-term
Relevance
8/30/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe storage limit of LocalStorage is typically only 5–10 MB, and it is strictly bound to the browser instance, meaning data disappears when switching devices or browsers and cannot be synced across devices.76% similarUnverifiedlocalStorage is part of the Web Storage API, and the localStorage for each domain name typically has a storage limit of 5–10 MB.71% similar
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