Lodash - sortedLastIndexOf method

Syntax

_.sortedLastIndexOf(array, value)

This method is like _.lastIndexOf except that it performs a binary search on a sorted array.

Arguments

• array (Array) − The array to inspect.

• value (*) − The value to search for.

Output

• (number) − Returns the index of the matched value, else -1.

Example

var _ = require('lodash');
var list = [1, 2, 3, 3, 3, 5, 6];

var result = _.sortedLastIndexOf(list, 3);
console.log(result);

Save the above program in tester.js. Run the following command to execute this program.

Command

\>node tester.js

Output

4