Lodash _.sortedIndexOf() Method

Lodash _.sortedIndexOf() method is used to get the index of the first occurrence of the particular element in the sorted array. It uses the binary search to sort an array.

Syntax:

_.sortedIndexOf(array, value);

Parameters:

• array: This parameter holds the sorted array.
• value: This parameter holds the value to evaluate.

Return Value:

• This method returns the index at which the value should be inserted into the array, other returns -1.

Example 1: In this example, we are getting the index at which we got the given value in the given array.

Output:

3

Example 2:In this example, we are getting the index at which we got the given value in the given array.

Output:

4

Example 3: In this example, we are getting -1 as the index because the given value is not present in the given array.

Output:

-1

Note: This will not work in normal JavaScript because it requires the library lodash to be installed.