Collect.js nth() Method

The nth() method is used to create a new collection consisting of every n-th element.

Syntax:

collect(array).nth(num)

Parameters: The collect() method takes one argument that is converted into the collection and then nth() method is applied on it. The nth() method holds a number.

Return Value: This method returns the nth element of the given collection.

Below example illustrate the nth() method in collect.js:

Example 1:

Javascript

const collect = require('collect.js');

let arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];

const collection = collect(arr);

const nth_val = collection.nth(3);

console.log(nth_val.all());

Output:

[ 1, 4, 7 ]

Example 2:

Javascript

const collect = require('collect.js');

let obj = [
    {
        name: 'Rahul',
        dob: '25-10-96',
        section: 'A',
        score: 98,
    },
    {
        name: 'Aditya',
        dob: '25-10-96',
        section: 'B',
        score: 96,
    },
    {
        name: 'Abhishek',
        dob: '16-08-94',
        section: 'A',
        score: 98
    }
];

const collection = collect(obj);

const nth_val = collection.nth(2);

console.log(nth_val.all());

Output:

[
  { name: 'Rahul', dob: '25-10-96', section: 'A', score: 98 },
  { name: 'Abhishek', dob: '16-08-94', section: 'A', score: 98 }
]