lastIndexOf source npm
_.lastIndexOf(array, value, [fromIndex=array.length-1])
This method is like _.indexOf
except that it iterates over elements of
array
from right to left.
Arguments
- array (Array)
The array to search.
- 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
_.lastIndexOf([1, 2, 1, 2], 2);
// => 3
// using `fromIndex`
_.lastIndexOf([1, 2, 1, 2], 2, 2);
// => 1