Final Prices With a Special Discount in a Shop

function discountedArr(arr){

for(let i=0; i<arr.length;i++){
if(arr[i] > arr[i+1]){
arr[i] = arr[i] - arr[i+1]
}
else
{
for(let j=i+1; j< arr.length; j++){
console.log(i);
// console.log(j);
if(arr[i] > arr[j+1]){
arr[i] = arr[j]- arr[j+1]
}
}

}
}
return arr
}

console.log(discountedArr([8,4,6,2,3]));