“Mélanger le tableau” Réponses codées

Arraie de mélanger javascript

/**
 * Shuffles array in place.
 * @param {Array} a items An array containing the items.
 */
function shuffle(a) {
    var j, x, i;
    for (i = a.length - 1; i > 0; i--) {
        j = Math.floor(Math.random() * (i + 1));
        x = a[i];
        a[i] = a[j];
        a[j] = x;
    }
    return a;
}


/**
 * Shuffles array in place. ES6 version
 * @param {Array} a items An array containing the items.
 */
function shuffle(a) {
    for (let i = a.length - 1; i > 0; i--) {
        const j = Math.floor(Math.random() * (i + 1));
        [a[i], a[j]] = [a[j], a[i]];
    }
    return a;
}

var myArray = ['1','2','3','4','5','6','7','8','9'];
shuffle(myArray);
Blue Bear

Comment randomiser un tableau

const getShuffledArr = arr => {
    const newArr = arr.slice()
    for (let i = newArr.length - 1; i > 0; i--) {
        const rand = Math.floor(Math.random() * (i + 1));
        [newArr[i], newArr[rand]] = [newArr[rand], newArr[i]];
    }
    return newArr
};
Graceful Grasshopper

Arraie de mélanger javascript

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);
9gram panter

mélanger un tableau

let array = [1, 2, 3, 4, 5];

for(let i = array.length - 1; i >= 1; i--) {
   let j = Math.floor(Math.random() * (i + 1)); // 0 <= j <= i
   let temp = array[j];
   array[j] = array[i];
   array[i] = temp;
}
console.log(array);
Prickly Plover

remaniement du tableau

array.shuffle()
Inquisitive Ibex

Mélanger les valeurs dans le tableau

function shuffleArray(arr) {
  arr.sort(() => Math.random() - 0.5);
}
let arr = [1, 2, 3, 4, 5];
shuffleArray(arr);
console.log(arr)
Energetic Elephant

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