core3-utils

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at() function

Finds element by index, including negative index

Signature:

export declare function at<T>(iterable: Nullable<Iterable<T>>, index: number): T | undefined;

Parameters

Parameter	Type	Description
iterable	[Nullable](/core3-utils/common.nullable.html)<Iterable<T>>
index	number

Returns:

T | undefined

undefined if invalid index or null iterable

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