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What are modules in JavaScript?

Modules allow code to be split into reusable files using export and import statements. They improve maintainability and avoid polluting the global scope.

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.