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remove duplicates array.filter

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Smarty Hearty answered on November 26, 2020 Popularity 9/10 Helpfulness 5/10

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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

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Contributed on Dec 22 2020

Smarty Hearty

0 Answers Avg Quality 2/10

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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 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

remove duplicates in array

Comment

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

or 

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

Popularity 9/10 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);

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Source: Grepper

Tags: filter fi

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Contributed on Sep 06 2022

WinMaw

0 Answers Avg Quality 2/10

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 4/10 Language javascript

Source: Grepper

Tags: elements javascript javas

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Contributed on Aug 18 2022

sfwnisme

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

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Contributed on Apr 14 2022

Rich Rhinoceros

0 Answers Avg Quality 2/10

Remove Array Duplicate

Comment

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

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

Popularity 9/10 Helpfulness 3/10 Language javascript

Source: dev.to

Tags: javascript j

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Contributed on Jan 07 2022

thefazeelahmed

0 Answers Avg Quality 2/10

remove duplicates from array

Comment

const numbers = [1, 2, 3, 4, 4, 4, 4, 5, 6, 6, 7];
const fruits = ["apple”, "pear", "banana", “apple”, "apple", “cherry"];

const uniqueNumbers ..new Set(numbers)];
const uniqueFruits = [...new Set(fruits)];

console. log(uniqueNumbers); // [ 1, 2, 3, 4, 5, 6, 7 ]
console. log(uniqueFruits); // ["apple”, "pear", “banana”, "cherry"

Popularity 5/10 Helpfulness 2/10 Language javascript

Source: emma-delaney.medium.com

Tags: javascript

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Contributed on Nov 09 2023

Xenophobic Xenomorph

0 Answers Avg Quality 2/10

remove duplicates array.filter

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remove duplicates array.filter

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remove duplicates from array

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remove duplicates from array

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