b-coimbra · February 29, 2020 01:05
diff --git a/non-repeatable.js b/non-repeatable.js
 function firstNonRepeatableChar(string) {
  let chars = [];

  [...string].forEach(letter => {
    if (!(letter in chars))
      chars[letter] = 0;
    chars[letter] += 1;
  });

  return Object.keys(chars).filter(c => chars[c] === 1)[0];
 }
	function firstNonRepeatableChar(string) {
	let chars = [];

	[...string].forEach(letter => {
	if (!(letter in chars))
	chars[letter] = 0;
	chars[letter] += 1;
	});

	return Object.keys(chars).filter(c => chars[c] === 1)[0];
	}