The function that returns the first or first two letters from a name in ReactJs

export const findUpper = (string) => {
  let extractedString = [];

  for (var i = 0; i < string.length; i++) {
    if (string.charAt(i) === string.charAt(i).toUpperCase() && string.charAt(i) !== " ") {
      extractedString.push(string.charAt(i));
    }
  }
  if (extractedString.length > 1) {
    return extractedString[0] + extractedString[1];
  } else {
    return extractedString[0];
  }
};

• ReactJs