Javascript and typescript test

HiringTest.js

function doStuff(text) {
  // Convert the text to lower characters
  const lowerCased = text.toLocaleLowerCase();
  
  // Split the characters with the space delimeter
  const words = lowerCased.split(' ');
  
  // Reverse split array
  words.reverse();

  let result = '';
  
  // Check each word in array, trim and return only words with length greater than 5
  for (let i in words) {
    const trimmedWord = words[i].trim();

    if (trimmedWord.length > 5) {
      result += trimmedWord;
      result += ', ';
    }
  }

  // Remove excess comma and space at end
  return result.slice(0, -2);
}