A function that confirms the end of a string from a specified parameter.

confirmEnding.js

// function to confirm the ending of a string
function confirmEnding(s, eS) {
  // look at the end string (s)
  // look at the end of the end string (eS)
  // compare the index of the last of both
  // cycle over the two string simulteanously
  // if gets to the beginning of endString and nothing has been false
  // return true

  let splitString = s.split('');
  let splitEnd = eS.split('');

  let test = true;
  console.log(splitString, splitEnd);
  let i = 1;

  do {
    if (splitString[splitString.length - i] !== splitEnd[splitEnd.length - i]) {
      test = false;
    }
    i++;
  } while (i < splitEnd.length);

  return test;
}

console.log(confirmEnding('this is awesome!', '!')); // true
console.log(confirmEnding('yape', 'eee')); // false
console.log(confirmEnding('mazing', 'zing')); // true
console.log(confirmEnding('zingboozing', 'zing')); // true