# How to convert Set to Array in JavaScript?

## How to convert a Set to an Array? – JavaScript

When you remove the duplicate numbers from an array with new Set() method, it turns into a set instead of an array like this

let duplicates = [1,2,3,4,5,6,2];

// remove the duplicates

let noDuplicates = new Set(duplicates);

// output Set {1,2,3,4,5,6


Duplicates may happen by posting/collecting same value from one/different sources, or by concat() arrays.

And you can convert that set to an array again.

## Solution 1:

let duplicates = [1,2,3,4,5,6,2];

// remove the duplicates

let noDuplicates = new Set(duplicates);

// output {1,2,3,4,5,6}

let arrayWithNoDuplicates = Array.from(noDuplicates);

// output [1,2,3,4,5,6]


## Solution 2:


let duplicates = [1,2,3,4,5,6,2];

// remove the duplicates

let noDuplicates = new Set(duplicates);

// output {1,2,3,4,5,6}

let arrayWithNoDuplicates = [...noDupicates];

// output [1,2,3,4,5,6]

## Solution 3:

let duplicates = [1,2,3,4,5,6,2];

let noDuplicates = Array.from(new Set(duplicates))

// output [1,2,3,4,5,6]

## Solution 4:

let duplicates = [1,2,3,4,5,6,2];

let noDuplicates = [... new Set(duplicates)];

// output [1,2,3,4,5,6


## Apply

let a = [1,2,3,4];
let b = [5,6,2];

let c = a.concat(b);
let d = new Set(c);
let e = Array.from(d);

// or in one line

let f = Array.from(new Set(a.concat(b)));

• By using Array.from() method:
This method returns a new Array from an array like object or iterable objects like Map, Set, etc.
Syntax

Array.from(arrayLike object);

Example-1

                   Convert Set to Array              
        

          GeeksforGeeks       

             
   

Output

console.log(array) // (11) [1, 3, 4, 5, 6, 7, 8, 9, 0, 11, 12]

Using of spread operator can also help us convert Set to array.

Syntax

var variablename = [...value];

Example-2:

                   Convert Set to Array              
        

          GeeksforGeeks       

             
   

Output

console.log(array) // (11) [1, 3, 4, 5, 6, 7, 8, 9, 0, 11, 12

• Using forEach:
Example-3:

                 Convert Set to Array            
        

          GeeksforGeeks       

               
   

Output
console.log(array) // (11) [1, 3, 4, 5, 6, 7, 8, 9, 0, 11, 12]

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