javascript swap array elements

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Kris
14 Aug 2020
1// Since ES6
2[a[0], a[1]] = [a[1], a[0]]
Jibril
28 Sep 2016
1// Before ES6
2const temp = a[x]; // NOT RECOMMENDED UNLESS COMPLETELY UNAVOIDABLE
3a[x] = a[y];
4a[y] = temp;
Calvin
17 Sep 2020
1const heavy = ["Rammstein", "Motorhead", "Imsomnium", "Be´lakor"];
2let aux = "";
3
4const intercambiar = (arr, i1, i2) => {
5  //Guardo en un provisional el valor del primer indice
6  aux = arr[i1];
7  //Inserte el valor del segundo índice en el lugar del primer índice
8  arr[i1] = arr[i2];
9  // Al hacer esto pierdo el valor original pero lo tengo guardado en aux por 
10  //lo que solo necesito igualar el segundo índice a aux para completar 
11  //el ejercicio.
12  arr[i2] = aux;
13  return arr;
14};
15let resulIntercambiar = intercambiar(heavy, 1, 2);
16console.log(resulIntercambiar);
Vanessa
25 Sep 2019
1var b = list[y];
2list[y] = list[x];
3list[x] = b;
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