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unique values in array javascript

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YOU.com answered on February 28, 2020 Popularity 8/10 Helpfulness 4/10

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unique values in array javascript

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// Example array
const array = [1, 2, 2, 3, 4, 4, 5, 6, 6];

// Using Set to get unique values
const uniqueValues = [...new Set(array)];

console.log(uniqueValues); // Output: [1, 2, 3, 4, 5, 6]

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Contributed on Sep 12 2023

YOU.com

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javascript array unique values

Comment

var arr = [55, 44, 65,1,2,3,3,34,5];
var unique = [...new Set(arr)]

//just  var unique = new Set(arr) wont be an array

Popularity 10/10 Helpfulness 8/10 Language javascript

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Tags: javascript j

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Contributed on Jul 03 2020

Batman

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how to find unique elements in array in javascript

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let a = ["1", "1", "2", "3", "3", "1"];
let unique = a.filter((item, i, ar) => ar.indexOf(item) === i);
console.log(unique);

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Tags: elements element

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Contributed on May 17 2020

Funny Finch

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javascript find unique values in array

Comment

// usage example:
var myArray = ['a', 1, 'a', 2, '1'];
var unique = myArray.filter((v, i, a) => a.indexOf(v) === i); 

// unique is ['a', 1, 2, '1']

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Source: stackoverflow.com

Tags: find

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Contributed on Feb 28 2020

CodeBaron

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array unique values javascript

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const myArray = ['a', 1, 'a', 2, '1'];
const unique = [...new Set(myArray)]; // ['a', 1, 2, '1']

Popularity 10/10 Helpfulness 6/10 Language javascript

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Tags: javascript j

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Contributed on Mar 03 2020

PandaNïrio

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unique values in array javascript

Comment

let uniqueItems = [...new Set(items)]

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Sep 06 2020

Smoggy Seal

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unique element in array

Comment

const unique = (value, index, self) => {
  return self.indexOf(value) === index
}

const ages = [26, 27, 26, 26, 28, 28, 29, 29, 30]
const uniqueAges = ages.filter(unique)
console.log(uniqueAges)

Popularity 9/10 Helpfulness 5/10 Language javascript

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Contributed on Oct 25 2022

Ugliest Unicorn

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array unique in javascript

Comment

const array = [1, 2, 3, 4, 4, 5, 3, 2];

// Using Set to remove duplicates
const uniqueArray = [...new Set(array)];

console.log(uniqueArray);

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Contributed on Sep 11 2023

YOU.com

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get unique array javascript

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// one liner solution to get a unique array by object id
[{_id: 10},{_id: 20}, {_id: 20}].filter((item, i, ar) => ar.findIndex(each => each._id === item._id) === i)

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Tags: get

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Contributed on Aug 29 2021

Frail Fowl

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find unique elements in array javascript

Comment

const array = [1, 2, 3, 1, 2, 4, 5, 3, 6, 4];
const uniqueElements = [...new Set(array)];

console.log(uniqueElements);

Popularity 8/10 Helpfulness 4/10 Language javascript

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Contributed on Sep 12 2023

YOU.com

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unique values in array javascript

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