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01
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What are iterator helper methods (ES2025)?
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A.
Iterator helper methods are copies of Array methods; work eagerly and hold all data in memory
B.
With ES2025 lazy working helper methods like map/filter/take/drop added; chain without intermediate array
C.
Iterator helper methods added with ES2015; have been used for a long time
D.
Iterator helper methods only valid for async iterator; sync iterator not supported
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