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Remove Duplicate Array's Elements By filter()

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sfwnisme answered on October 29, 2020 Popularity 7/10 Helpfulness 3/10

answer Remove Duplicate Array's Elements By filter()

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Remove Duplicate Array's Elements By filter()

Comment

let arr = [1,2,3,4,4,"d","d","fa","s","a","fa"];

let x = arr.filter((element, index, array) => array.indexOf(element) === index );

console.log(x);

Popularity 7/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: elements javascript

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Contributed on Aug 18 2022

sfwnisme

0 Answers Avg Quality 2/10

Closely Related Answers

remove duplicates from array

Comment

let chars = ['A', 'B', 'A', 'C', 'B'];
let uniqueChars = [...new Set(chars)];

console.log(uniqueChars);

output:
[ 'A', 'B', 'C' ]

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: www.javascripttutorial.net

Tags: javascript j

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Contributed on Nov 26 2020

Creepy Gábor

0 Answers Avg Quality 2/10

remove duplicates array.filter

Comment

// removeDuplicates ES6
const uniqueArray = oldArray.filter((item, index, self) => self.indexOf(item) === index);

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Dec 22 2020

Smarty Hearty

0 Answers Avg Quality 2/10

remove duplicate value from array

Comment

let chars = ['A', 'B', 'A', 'C', 'B'];
let uniqueChars = [...new Set(chars)];

console.log(uniqueChars);

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: www.javascripttutorial.net

Tags: javascript j

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Contributed on Oct 29 2020

Duck Duck Go-ogle

0 Answers Avg Quality 2/10

remove all duplicates from an Array

Comment

const removeDuplicates = arr => [...new Set(arr)];

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: dev.to

Tags: javascript j

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Contributed on Jan 27 2022

Graceful Grasshopper

0 Answers Avg Quality 2/10

remove duplicates from array

Comment

// Use to remove duplicate elements from the array

const numbers = [2,3,4,4,2,3,3,4,4,5,5,6,6,7,5,32,3,4,5]

console.log([...new Set(numbers)])

// [2, 3, 4, 5, 6, 7, 32]

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: developer.mozilla.org

Tags: javascript j

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Contributed on Jun 18 2021

Breakable Boar

0 Answers Avg Quality 2/10

completely remove duplicate element from the array

Comment

var array = [1, 2, 3, 4, 4, 5, 5],
    result = array.filter(function (v, _, a) {
        return a.indexOf(v) === a.lastIndexOf(v);
    });

console.log(result); // [1, 2, 3]

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: element

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Contributed on Mar 29 2022

Delightful Dotterel

0 Answers Avg Quality 2/10

remove duplicates in array

Comment

uniq = [...new Set(array)];

or 

uniqueArray = a.filter(function(item, pos) {
    return a.indexOf(item) == pos;
})

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Apr 16 2021

Unusual Unicorn

0 Answers Avg Quality 2/10

remove duplicate Array

Comment

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

//way1
let unique = [...new Set(Arr)];
console.log(unique);

//way2
function removeDuplicate (arr){
	return arr.filter((item,index)=> arr.indexOf(item) === index);
}

removeDuplicate(Arr);

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: filter fi

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Contributed on Sep 06 2022

WinMaw

0 Answers Avg Quality 2/10

Remove Duplicates in an Array

Comment

const removeDuplicates = (arr) => [...new Set(arr)]

removeDuplicates([31, 56, 12, 31, 45, 12, 31])
//[ 31, 56, 12, 45 ]

Popularity 9/10 Helpfulness 3/10 Language whatever

Source: livecodestream.dev

Tags: whatever whateve

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Contributed on Apr 14 2022

Rich Rhinoceros

0 Answers Avg Quality 2/10

Remove Duplicate Array's Elements By filter()

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Remove Duplicate Array's Elements By filter()

Closely Related Answers

remove duplicates from array

remove duplicates array.filter

remove duplicate value from array

remove all duplicates from an Array

remove duplicates from array

completely remove duplicate element from the array

remove duplicates in array

remove duplicate Array

Remove Duplicates in an Array

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