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find unique value on array

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Cruel Cormorant answered on February 28, 2020 Popularity 10/10 Helpfulness 4/10

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find unique value on array

Comment

const a = [1, 9, 2, 2, 3, 4, 1, 7, 8, 0, 9, 0, 1, 5, 3];

const b = a.filter(function (item, index, array) {
    return array.lastIndexOf(item) === index; // this will return the unique elements
});

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: practicum.yandex.com

Tags: find javascript unique

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Contributed on Dec 27 2021

Cruel Cormorant

0 Answers Avg Quality 2/10

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how to find unique elements in array in javascript

Comment

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

Popularity 10/10 Helpfulness 7/10 Language javascript

Source: Grepper

Tags: elements element

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Contributed on May 17 2020

Funny Finch

0 Answers Avg Quality 2/10

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']

Popularity 10/10 Helpfulness 7/10 Language javascript

Source: stackoverflow.com

Tags: find

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Contributed on Feb 28 2020

CodeBaron

0 Answers Avg Quality 2/10

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

0 Answers Avg Quality 2/10

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

Source: Grepper

Tags: element

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Contributed on Oct 25 2022

Ugliest Unicorn

0 Answers Avg Quality 2/10

find unique elements in array

Comment

const arr1=[1,2,3,4,5,5];

const unique = arr1.filter((item, index, array)=>
  array.indexOf(item)===index
)
console.log(unique)

Popularity 9/10 Helpfulness 4/10 Language typescript

Source: Grepper

Tags: elements element

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Contributed on Aug 28 2022

Clever Cottonmouth

0 Answers Avg Quality 2/10

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

Source: Grepper

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Contributed on Sep 12 2023

YOU.com

0 Answers Avg Quality 2/10

unique values in array javascript

Comment

// 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]

Popularity 8/10 Helpfulness 4/10 Language javascript

Source: Grepper

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Contributed on Sep 12 2023

YOU.com

0 Answers Avg Quality 2/10

how to find unique values in an array in js using function

Comment

// app.js

Array.prototype.unique = function() {
  let arr = [];
  for(let i = 0; i < this.length; i++) {
      if(!arr.includes(this[i])) {
          arr.push(this[i]);
      }
  }
  return arr; 
}

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

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: appdividend.com

Tags: find

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Contributed on May 03 2022

Puzzled Peafowl

0 Answers Avg Quality 2/10

how to get unique values in an array javascript

Comment

var newArray = evenNumbers.filter((value, index, self) => self.indexOf(value) === index);

Popularity 9/10 Helpfulness 3/10 Language javascript

Source: linuxhint.com

Tags: get

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Contributed on Nov 21 2022

Curious Tom

0 Answers Avg Quality 2/10

find unique value on array

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