//count the names that contain "A" or "a"
let arr = ["Aman", "Ajay", "Nrupul", "Pulkit", "Naman"];

let count = 0;
for (let i = 0; i <= arr.length - 1; i++) {

  for (let j = 0; j <= arr[i].length - 1; j++) {

    if (arr[i][j] == "A" || arr[i][j] == "a") {
      count++;
      break;
    }

  }

}
console.log(count);