text: const firstRecurringCharacter = string => {
  	let array = Array.from(string); 
  	let recurringCharacter = array.find((character, index) => {
    	return array.indexOf(character) < index;
    });
     return recurringCharacter ? recurringCharacter : "No recurring character";
  }
  
  console.log(firstRecurringCharacter('ABCAD'));
  console.log(firstRecurringCharacter('BCABAAB'));
  console.log(firstRecurringCharacter('ABC'));
  
  // A
  // B
  // No recurring character