last
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2023-12-01
Creates a new sequence comprising the last N elements of this sequence, OR (if N is undefined) simply returns the last element of this sequence.
Signature
Sequence.last = function(count) { /*...*/ }Sequence.last = function last(count) {
if (typeof count === "undefined") {
return this.reverse().first();
}
return this.reverse().take(count).reverse();
}| Name | Type(s) | Description |
|---|---|---|
| count | number? | The number of items to take from the end of the sequence. |
| returns | * | The new sequence (or the last element from this sequence if no count was given). |
Examples
Lazy([1, 2, 3]).last() // => 3 Lazy([1, 2, 3]).last(2) // sequence: [2, 3] Lazy([1, 2, 3]).filter(isEven).last(2) // sequence: [2]