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function end(str, target) {
  // "Never give up and good luck will find you."
  // -- Falcor
  
  //obtain the number of characters from str that will be compared
  subLength = target.length;

  //gets the substring from the end of str
  //'-' operator is used to get a substring from the end of the original string
  sub = str.substr(-subLength);
  
  //compares the substring to the target string
  if(sub == target)
    return true;
  else
     return false;
  
}

end("Bastian", "an");