JAVASCRIPT

how to find length of string in javascript without using length method

function strLength(s) {
  var length = 0;
  while (s[length] !== undefined){
    length++;
  } 
  return length;
}

console.log(strLength("Hello")); // 5
console.log(strLength("")); // 0

how to get length in js without using .length method

// Get The Length Of The String.
function strLength(x){
  var counter = 0;
  while(x[counter] !== undefined){
    counter++;
  }
  return counter;
}

var str = prompt("Write your string ...",''); // Get String From User.
var The_Length = strLength(str); // 
var lastChar = counter - 1; // The Index Of Last Letter.
console.log(`The Length Of Your String is ${counter}`);
console.log(`The Last Char In Your String Is ${str[lastChar]}`);