Lodash _.sortedIndex() Method

Lodash _.sortedIndex() method is used to return the lowest index of the array where an element can be inserted and maintain its sorted order. It uses the binary search.

Syntax:

_.sortedIndex(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.

Example 1: In this example, we are getting the index number of the given value at which we can insert that value into the given array.

Output:

3

Example 2: In this example, we are getting the index number of the given value at which we can insert that value into the given array.

Output:

4

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