Collect.js times() Method

Collect.js unique() Method

Last Updated : 14 Dec, 2020

The unique() method is used to return the all of the unique values in the collection.

Syntax:

collect(array).unique()

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

Return Value: This method returns all of the unique items in the collection.

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

Example 1:

javascript

const collect = require('collect.js'); 
  
let arr = [1, 2, 3, 4, 5, 4, 3, 2, 1]; 
  
const collection = collect(arr); 

const unique = collection.unique();
  
let newObject =  unique.all();   
      
console.log(newObject);

Output:

[1, 2, 3, 4, 5]

Example 2:

javascript

const collect = require('collect.js'); 
  
let obj = [ 
    { 
        name: 'Kripamoy', 
        dob: '03-03-98', 
        section: 'A', 
        score: 94, 
    }, 
    { 
        name: 'Biltu', 
        dob: '23-01-96', 
        section: 'B', 
        score: 85, 
    }, 
    { 
        name: 'Santanu', 
        dob: '23-01-98', 
        section: 'B', 
        score: 98, 
    },
    { 
        name: 'chinmoy', 
        dob: '18-08-97', 
        section: 'A', 
        score: 72 
    } 
]; 
  
const collection = collect(obj); 
  
const unique = collection.unique('section');
  
let newObject =  unique.all();   

console.log(newObject);

Output:

[
 {name: "Kripamoy", dob: "03-03-98", score: 94, section: "A"},
 {name: "Biltu", dob: "23-01-96", score: 85, section: "B"}
]

Collect.js times() Method

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