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Concept visual
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Removes all the elements from a Map delete() Removes a Map element specified by a key entries() Returns an iterator object with the [key, value] pairs in a Map forEach()
Formula
Invokes a callback for each key/value pair in a MapGets the value for a key in a Map groupBy() Groups object elements according to returned callback values has() Returns true if a key exists in a Map keys() Returns an iterator object with the keys in a Map set() Sets the value for a key in a Map size
Returns an iterator object of the values in a Map