_.sortedIndexOf(array, value)
source npm package
This method is like _.indexOf except that it performs a binary search on a sorted array.
Since
4.0.0
Arguments
array (Array): The array to inspect.
value (*): The value to search for.
Returns
(number): Returns the index of the matched value, else -1.
Example
_.sortedIndexOf([4, 5, 5, 5, 6], 5);
// => 1