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Lodash | _.nth() Method
  • Last Updated : 29 Apr, 2020

The _.nth() method is used to return the nth index of the element. For a negative value of n, it returns the nth element from the end.

Syntax:

_.nth(array, n)

Parameters: This method accepts two parameters as mentioned above and described below:

  • Array: This parameter holds the query array.
  • n: This parameter holds the index of element that to be extracted.

Return Value: It returns the nth element of the array.

Example 1: It returns the third element of an array.



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const _ = require('lodash');
  
let ar = [1, 2, 3, 4, 5]
  
let value = _.nth(ar, 3)
  
console.log(value)

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Here, const _ = require('lodash') is used to import the lodash library into the file.

Output:

4

Example 2: It returns the third element from the end of an array because the value of n is negative.

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const _ = require('lodash');
  
let ar = [1, 2, 3, 4, 5]
  
let value = _.nth(ar, -3)
  
console.log(value)

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Output:

3

Example 3: It returns undefined because there is no element at index 8.

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const _ = require('lodash');
  
let ar = [1, 2, 3, 4, 5]
  
let value = _.nth(ar, 8)
  
console.log(value)

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Output:

undefined

Reference: https://lodash.com/docs/4.17.15#nth

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