1. Is .map and .filter pure functions ? 2. What should not be blocked in Node.js ? 3. Is For.. in.. loop for iterating through object or arrays ?
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1. Yes, .map and .filter are pure functions. 2. Network calls should not be blocked in Node.js. 3. For..in.. loop is for iterating through objects.
1. Yes, .map and .filter are pure functions as they d...read more
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