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,

  1. Array.from() method
  2. Set() constructor
Remove Duplicates From an Array Without Using Loop in JS
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>

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..!

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My name is Bikash Kr. Panda. I own and operate PHPCODER.TECH, my native place in Odisha. I am a Web Programmer by profession and working on more than 50 projects to date. My passion is working on the web-based project using PHP and relate to all CMS and frameworks which is based on PHP.
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