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What is localStorage and sessionStorage?

localStorage stores data with no expiration date, while sessionStorage stores data only for the duration of the browser session.

Related Drills

What are JavaScript Closures and how are they useful in practice?

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Explain event delegation in JavaScript and why we should use it.

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1 . What is the difference between let, const, and var?

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JB

Jeevan Bhargav

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This answer is calibrated for technical interviews. Verify benchmarks in local sandboxes before deploying.