let array = [1, 2, 3, 4, 5];

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

let j = 0;
while(j < array.length) {
  console.log(array[j]);
  j++;
}

for(let value of array) {
  console.log(value)
}

for(let key in array) {
  console.log(array[key])
}

array.forEach(num => console.log(num));