Trims a given char from a string bounds

trimChar.js

/*
  trimChar
    Trims a specific char from bounds of variable
  parameters
    string (string) - String to be trimmed
    charToRemove (char) - Char to be removed from string
 */
function trimChar(string, charToRemove) {
  while (string.charAt(0) == charToRemove) string = string.substring(1);
  while (string.charAt(string.length - 1) == charToRemove) string = string.substring(0, string.length - 1);

  return string;
}