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What Is A Filter Function? |
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Answer» We USE this function to limit the data view in the collection to a SUBSET of SOURCE data object. The function must TAKE a single Object parameter, which corresponds to a collection item, and must return a BOOLEAN value specifying whether to include the item in the view. We use this function to limit the data view in the collection to a subset of source data object. The function must take a single Object parameter, which corresponds to a collection item, and must return a Boolean value specifying whether to include the item in the view. |
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