Lodash - sortedIndexBy method

Syntax

_.sortedIndexBy(array, value, [iteratee=_.identity])

Gets all but the last element of array.

Arguments

• array (Array) − The sorted array to inspect.

• value (*) − The value to evaluate.

• [iteratee=_.identity] (Function) − The iteratee invoked per element.

Output

• (number) − Returns the index at which value should be inserted into array.

Example

var _ = require('lodash');
var list = [{ 'x': 4 }, { 'x': 1 }];

var result = _.sortedIndexBy(list, [{ 'x': 4 }], 'x');
console.log(result);

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

Command

\>node tester.js

Output

2