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Lodash _.sortedIndex



The lodash _.sortedIndex method is a utility function that is included in the popular utility library lodash. This method is used to determine the index at which a value should be inserted into a given array in order to maintain its sort order.


_.sortedIndex(array, value)


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

  • value (*): The value to evaluate.


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


The following is an example of how you can use the _.sortedIndex method in JavaScript:

const _ = require('lodash')

let myArray = [10, 20, 30, 40, 50];

let result = _.sortedIndex(myArray, 25);


This will output the value 2, which means that the number 25 should be inserted at index 2 in the myArray array in order to maintain its sort order.


The _.sortedIndex method is a useful utility function that can help you determine the index at which a value should be inserted into a sorted array. By using this method, you can easily maintain the sort order of your array and ensure that new values are inserted in the correct position.