Remove Duplicates From an Array in JavaScript Without Using For Loop

To Remove Duplicates From an Array in JavaScript Without Using For Loop, we use two JavaScript built-in method or function,

Array.from() method
Set() constructor

Remove Duplicates From an Array Without Using Loop in JS

Array.from() method helps us to create an array from,

array like objects (Object which have length or index properties) or
iterable objects (like map and set)

Set() constructor is used to create set object and it store unique values of any type.

Source code

<script>
// define an array
const numbers = [4, 1, 4, 20, 13, 8, 1, 1, 'b', 'a', 'b'];
// useing Array.from() method
const uniqueNumbers = Array.from(new Set(numbers));
// print result
document.write(uniqueNumbers);
</script>

// define an array

const numbers = [4, 1, 4, 20, 13, 8, 1, 1, 'b', 'a', 'b'];

// useing Array.from() method

const uniqueNumbers = Array.from(new Set(numbers));

// print result

document.write(uniqueNumbers);

</script>

Output:

4,1,20,13,8,b,a

Live view of Remove Duplicates From an Array Without Using Loop in JS

See the Pen remove duplicates from array javascript without using For loop by Bikash Panda (@phpcodertech) on CodePen.

Here is complete tutorial how we remove duplicate value from an array without using any loop in JS.

I hope it can help you.

To know more about Set() constructor https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/Set.

Also Check:

Happy Coding..!

Was this article helpful?

YesNo

How to Use the Git Stash Command with example

Bikash in How To

Jun 16, 2023 · 1 min read

5 Most Effective Ways To Optimize PHP Code

How to Install the latest version of Laravel?

Bikash in How To, Laravel

Dec 27, 2022 · 55 sec read

4 Replies to “Remove Duplicates From an Array in JavaScript Without Using For Loop”