This method is like lastIndexOf except that it performs a binary search on a sorted array.
lastIndexOf
array
The array to inspect.
The value to search for.
Returns the index of the matched value, else -1.
-1
5.11.0
sortedLastIndexOf([4, 5, 5, 5, 6], 5)// => 3 Copy
sortedLastIndexOf([4, 5, 5, 5, 6], 5)// => 3
This method is like
lastIndexOfexcept that it performs a binary search on a sortedarray.