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string permutation in javascript

Mysterious Macaque answered on November 10, 2020 Popularity 8/10 Helpfulness 5/10

answer string permutation in javascript

related permutation javascript

string permutation in javascript

Comment

// Permutation with combination
function combination(array = [], text = "") {
    if (array.length !== 0) {

        for (let i = 0; i < array.length; ++i) {
            const newArray = array.filter((element, index) => index !== i)
            
            text += array[i];

            if (array.length === 1) {
                console.log(text)
            }

            combination(newArray, text)
            text = text.slice(0, -1)
        }
    }
}


const array = [1, 2, 3]

combination(array)

/*
	[Output]
    123
    132
    213
    231
    312
    321
*/

Popularity 8/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: javascript permutation string

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Contributed on Nov 13 2023

Mysterious Macaque

0 Answers Avg Quality 2/10

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permutation javascript

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const permutations = arr => {
  if (arr.length <= 2) return arr.length === 2 ? [arr, [arr[1], arr[0]]] : arr;
  return arr.reduce(
    (acc, item, i) =>
      acc.concat(
        permutations([...arr.slice(0, i), ...arr.slice(i + 1)]).map(val => [
          item,
          ...val,
        ])
      ),
    []
  );
};

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: www.30secondsofcode.org

Tags: javascript j

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Contributed on Nov 10 2020

Arrogant Anteater

0 Answers Avg Quality 2/10

string permutation in javascript

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string permutation in javascript

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permutation javascript

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