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2023-12-01

Returns a Sequence whose elements are the keys of this object-like sequence.

Signature

ObjectLikeSequence.keys = function() { /*...*/ }

ObjectLikeSequence.keys = function keys() {
  return new KeySequence(this);
}

Name	Type(s)	Description
returns	Sequence	The sequence based on this sequence's keys.

Examples

var obj = { hello: "hola", goodbye: "hasta luego" };

Lazy(obj).keys() // sequence: ["hello", "goodbye"]
Lazy(obj).keys().map(function(v, i) { return [v, i]; }) // sequence: [["hello", 0], ["goodbye", 1]]

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