i want to print index of all elements without using forEach or filter or map

here is my code it is giving me the same index number of the element.

i want it like this 0,1,2,3,4,5,6

let as=[1, 2, 3, 4, 5, 5,5]

for(let i=0;i<as.length;i++){
  console.log(as[i], as.indexOf(as[i]))
}

here is my output