how to swap two elements in an array js

// Since ES6
[a[0], a[1]] = [a[1], a[0]]

4.13
8
Jready 110 points

                                    var b = list[y];
list[y] = list[x];
list[x] = b;

4.13 (8 Votes)
0
5
1
Bill Wright 120 points

                                    const heavy = ["Rammstein", "Motorhead", "Imsomnium", "Be´lakor"];
let aux = "";

const intercambiar = (arr, i1, i2) => {
  //Guardo en un provisional el valor del primer indice
  aux = arr[i1];
  //Inserte el valor del segundo índice en el lugar del primer índice
  arr[i1] = arr[i2];
  // Al hacer esto pierdo el valor original pero lo tengo guardado en aux por 
  //lo que solo necesito igualar el segundo índice a aux para completar 
  //el ejercicio.
  arr[i2] = aux;
  return arr;
};
let resulIntercambiar = intercambiar(heavy, 1, 2);
console.log(resulIntercambiar);

5 (1 Votes)
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