@kingjs/linq.element-at-or-undefined

@kingjs/linq.element-at-or-default

Returns the element at a specified index in a sequence or undefined if the index is out of range.

Usage

Return the 2nd element in the sequence 0, 1, 2 like this:

var elementAt = require('@kingjs/linq.element-at-or-undefined');
var sequence = require('@kingjs/enumerable.create');

elementAt.call(sequence(0, 1, 2), 1);

result:

1

API

declare function elementAt(
  this: Enumerable,
  index: number
): any

Interfaces

• Enumerable: See @kingjs/enumerable.define.

Parameters

• this: The sequence to traverse.
• index: The 0 based index of of the sequence to return.

Return Value

The 0 based index of of the sequence or undefined.

Install

With npm installed, run

$ npm install @kingjs/linq.element-at-or-default

See Also

Like Enumerable.ElementAt.

License

MIT