What is the difference between caching and local storage?
Caching is a temporary storage mechanism for frequently accessed data, while local storage is a persistent storage option in the browser.
Can you give me examples of when to use each?
Use caching for data that changes frequently and needs quick access, like API responses. Use local storage for user preferences or settings that need to persist.
Are there any limitations to local storage?
Yes, local storage has a size limit (usually around 5-10MB) and is synchronous, which can affect performance if used excessively.
What about security concerns with local storage?
Local storage is vulnerable to XSS attacks, so sensitive data should not be stored there. Always validate and sanitize inputs.
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