let arr = [10,20,30]; for(let i = 0 ; i<arr.length;i++){ arr.splice(i,1); console.log(`i = ${i} and arr indexs are ${arr.indexOf(arr[i])}`); } console.log(arr); the output is : i = 0 and arr indexs are 0 i = 1 and arr indexs are -1 [20] and I want the output to be like: i = 0 and arr indexes are 0 i = 1 and arr indexes are 1 []la función de empalme no elimina todos los elementos de la matriz y quiero que se eliminen todos los elementos