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javascript remove duplicate letters in a string

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Yawning Yak answered on February 29, 2020 Popularity 10/10 Helpfulness 6/10

answer javascript remove duplicate letters in a string

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javascript remove duplicate letters in a string

Comment

function removeDuplicateCharacters(string) {
  return string
    .split('')
    .filter(function(item, pos, self) {
      return self.indexOf(item) == pos;
    })
    .join('');
}
console.log(removeDuplicateCharacters('baraban'));

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: stackoverflow.com

Tags: javascript letters string

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Contributed on Feb 29 2020

Yawning Yak

0 Answers Avg Quality 2/10

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remove the duplicate character in string js

Comment

function removeDuplicate(str, letSingleChar = false)  {
    let string = str;
    for (element of string) {
        const re = new RegExp(element, 'g');
        if (string.match(re)?.length > 1) {
          if (letSingleChar == true) {
            string = [...new Set(string.split(''))].join('');
          } else 
            string = string.replace(re, '');
        }
    }
    return string;
} 

console.log(removeDuplicate("Hello World", true)) // Helo Wrd
console.log(removeDuplicate("Hello World", false )) // He Wrd

Popularity 8/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: character char

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Contributed on Aug 06 2022

Rachid Oudouch

0 Answers Avg Quality 2/10

remove repeated characters from a string in javascript

Comment

const unrepeated = (str) => [...new Set(str)].join('');

unrepeated("hello"); //➞ "helo"
unrepeated("aaaaabbbbbb"); //➞ "ab"
unrepeated("11112222223333!!!??"); //➞ "123!?"

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Apr 25 2021

KadzielawaKonrad

0 Answers Avg Quality 2/10

remove duplicate values from string in javascript

Comment

const names = ['John', 'Paul', 'George', 'Ringo', 'John'];

let unique = [...new Set(names)];
console.log(unique);

Popularity 8/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Feb 17 2022

Red Team

0 Answers Avg Quality 2/10

remove duplicates strig javascript

Comment

const arr = [1, 2, [3, 4]];

// To flat single level array
arr.flat();
// is equivalent to
arr.reduce((acc, val) => acc.concat(val), []);
// [1, 2, 3, 4]

// or with decomposition syntax
const flattened = arr => [].concat(...arr);

Popularity 9/10 Helpfulness 2/10 Language javascript

Source: developer.mozilla.org

Tags: javascript j

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Contributed on Mar 26 2021

0 Answers Avg Quality 2/10

remove duplicates strig javascript

Comment

const arr = [1, 2, [3, 4]];

// To flat single level array
arr.flat();
// is equivalent to
arr.reduce((acc, val) => acc.concat(val), []);
// [1, 2, 3, 4]

// or with decomposition syntax
const flattened = arr => [].concat(...arr);

Popularity 8/10 Helpfulness 2/10 Language javascript

Source: developer.mozilla.org

Tags: javascript j

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Contributed on Mar 26 2021

0 Answers Avg Quality 2/10

remove duplicates strig javascript

Comment

const arr = [1, 2, [3, 4]];

// To flat single level array
arr.flat();
// is equivalent to
arr.reduce((acc, val) => acc.concat(val), []);
// [1, 2, 3, 4]

// or with decomposition syntax
const flattened = arr => [].concat(...arr);

Popularity 8/10 Helpfulness 2/10 Language javascript

Source: developer.mozilla.org

Tags: javascript j

Link to this answer
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Contributed on Mar 26 2021

0 Answers Avg Quality 2/10

remove duplicates strig javascript

Comment

-1

const arr = [1, 2, [3, 4]];

// To flat single level array
arr.flat();
// is equivalent to
arr.reduce((acc, val) => acc.concat(val), []);
// [1, 2, 3, 4]

// or with decomposition syntax
const flattened = arr => [].concat(...arr);

Popularity 8/10 Helpfulness 1/10 Language javascript

Source: developer.mozilla.org

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Mar 26 2021

0 Answers Avg Quality 2/10

remove duplicates strig javascript

Comment

-2

const arr = [1, 2, [3, 4]];

// To flat single level array
arr.flat();
// is equivalent to
arr.reduce((acc, val) => acc.concat(val), []);
// [1, 2, 3, 4]

// or with decomposition syntax
const flattened = arr => [].concat(...arr);

Popularity 8/10 Helpfulness 1/10 Language javascript

Source: developer.mozilla.org

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Mar 26 2021

0 Answers Avg Quality 2/10

javascript remove duplicate letters in a string

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remove duplicates strig javascript

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