es-toolkit
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A state-of-the-art, high-performance JavaScript utility library with a small bundle size and strong type annotations.
23 lines • 694 B
TypeScript
//#region src/compat/array/lastIndexOf.d.ts
/**
* Gets the index at which the last occurrence of value is found in array.
*
* @template T
* @param array - The array to inspect.
* @param value - The value to search for.
* @param [fromIndex] - The index to search from or true to search from the end.
* @returns Returns the index of the matched value, else -1.
*
* @example
* lastIndexOf([1, 2, 1, 2], 2);
* // => 3
*
* lastIndexOf([1, 2, 1, 2], 2, 2);
* // => 1
*
* lastIndexOf([1, 2, 1, 2], 2, true);
* // => 1
*/
declare function lastIndexOf<T>(array: ArrayLike<T> | null | undefined, searchElement: T, fromIndex?: true | number): number;
//#endregion
export { lastIndexOf };