JavaScript

String Methods

const inputString = "Let me sing a teeny story";
const originalSubstring = "teeny";
const additionalSubstring = "tiny";

// Write your code here

updateString(inputString,
  originalSubstring,
  additionalSubstring);


const inputString = "Let me sing a teeny story";
const originalSubstring = "teeny";
const additionalSubstring = "tiny";

const updateString = (
  inputString,
  originalSubstring,
  additionalSubstring
) => {
  const newString = inputString.replace(
    originalSubstring,
    substring => (substring + additionalSubstring).toUpperCase()
  );

  console.log(newString);
};

updateString(inputString,
  originalSubstring,
  additionalSubstring);
