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how to shuffle an array in js

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Abdellah Elaajjouri answered on July 24, 2019 Popularity 10/10 Helpfulness 7/10

answer how to shuffle an array in js

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how to shuffle an array in js

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const array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
const shuffledArray = array.sort((a, b) => 0.5 - Math.random());

Popularity 10/10 Helpfulness 7/10 Language javascript

Source: dev.to

Tags: javascript shuffle

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Contributed on Oct 14 2022

Abdellah Elaajjouri

0 Answers Avg Quality 2/10

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how to randomly sort an array javascript

Comments(1)

array.sort(() => Math.random() - 0.5);

Popularity 10/10 Helpfulness 10/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on May 29 2021

Real Rocket Raccoon

0 Answers Avg Quality 2/10

javascript randomly shuffle array

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function randomArrayShuffle(array) {
  var currentIndex = array.length, temporaryValue, randomIndex;
  while (0 !== currentIndex) {
    randomIndex = Math.floor(Math.random() * currentIndex);
    currentIndex -= 1;
    temporaryValue = array[currentIndex];
    array[currentIndex] = array[randomIndex];
    array[randomIndex] = temporaryValue;
  }
  return array;
}
var alphabet=["a","b","c","d","e"];
randomArrayShuffle(alphabet); 
//alphabet is now shuffled randomly = ["d", "c", "b", "e", "a"]

Popularity 10/10 Helpfulness 7/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jul 24 2019

Grepper

0 Answers Avg Quality 2/10

javascript random sort array

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// O(n)
function shuffleArray(array) {
    for (let i = array.length - 1; i > 0; i--) {
        const j = Math.floor(Math.random() * (i + 1));
        [array[i], array[j]] = [array[j], array[i]];
    }
}

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Oct 01 2020

garzj

0 Answers Avg Quality 2/10

randomize an array in javascript

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function shuffle(array) {
  let currentIndex = array.length,  randomIndex;

  // While there remain elements to shuffle.
  while (currentIndex != 0) {

    // Pick a remaining element.
    randomIndex = Math.floor(Math.random() * currentIndex);
    currentIndex--;

    // And swap it with the current element.
    [array[currentIndex], array[randomIndex]] = [
      array[randomIndex], array[currentIndex]];
  }

  return array;
}

// Used like so
var arr = [2, 11, 37, 42];
shuffle(arr);
console.log(arr);
 Run code snippetHide results

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Jul 04 2022

Faus

0 Answers Avg Quality 2/10

shuffle array javascript

Comment

-2

let list = [1, 2, 3, 4, 5, 6, 7, 8, 9]
list = list.sort(() => Math.random() - 0.5)

Popularity 9/10 Helpfulness 3/10 Language javascript

Source: flaviocopes.com

Tags: javascript j

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Contributed on Sep 06 2022

Igor Julliano

0 Answers Avg Quality 2/10

js shuffle array

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function shuffle(array) {
  let currentIndex = array.length,  randomIndex;

  // While there remain elements to shuffle...
  while (currentIndex != 0) {

    // Pick a remaining element...
    randomIndex = Math.floor(Math.random() * currentIndex);
    currentIndex--;

    // And swap it with the current element.
    [array[currentIndex], array[randomIndex]] = [
      array[randomIndex], array[currentIndex]];
  }

  return array;
}

// Used like so
var arr = [2, 11, 37, 42];
shuffle(arr);
console.log(arr);

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Sep 17 2021

9gram panter

0 Answers Avg Quality 2/10

js shuffle array

Comment

function shuffle(array){
    var currentIndex = array.length;
    var randomIndex, temp;
	// While there remain elements to shuffle.
    while(currentIndex > 0){
      	// Pick a random element remaining.
        randomIndex = Math.floor(Math.random() * currentIndex);
        currentIndex--;
      
		// And swap it with the current element.
        var temp = array[currentIndex];
        array[currentIndex] = array[randomIndex];
        array[randomIndex] = temp;
    }
}

// Used like so
var arr = [2, 11, 37, 42];
shuffle(arr);
console.log(arr);

Popularity 8/10 Helpfulness 2/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Dec 17 2023

Scriptor Machina

0 Answers Avg Quality 2/10

Shuffle an Array, array, js

Comment

-2

const shuffleArray = (arr) =>
  [...Array(arr.length)]
    .map((_, i) => Math.floor(Math.random() * (i + 1)))
    .reduce(
      (shuffled, r, i) =>
        shuffled.map((num, j) =>
          j === i ? shuffled[r] : j === r ? shuffled[i] : num
        ),
      arr
    );
// [ 2, 4, 1, 3, 5 ] (varies)
console.log(shuffleArray([1, 2, 3, 4, 5]));

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Aug 12 2022

sanjai

0 Answers Avg Quality 2/10

How to shuffle an array js

Comment

-2

function shuffleArray(array) { 
 
   return array.sort( ()=>Math.random()-0.5 );
 
}

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jan 14 2023

Repulsive Rhinoceros

0 Answers Avg Quality 2/10

how to shuffle an array in js

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