_.lastIndexOf(array, value, [fromIndex=array.length-1])

sourcenpm package

This method is like _.indexOf except that it iterates over elements of array from right to left.

Since

0.1.0

Arguments

  • array (Array): The array to inspect.
  • value (*): The value to search for.
  • [fromIndex=array.length-1] (number): The index to search from.

Returns

(number): Returns the index of the matched value, else -1.

Example

  1. _.lastIndexOf([1, 2, 1, 2], 2);
    // => 3
    // Search from the `fromIndex`.
    _.lastIndexOf([1, 2, 1, 2], 2, 2);
    // => 1