1
/**
2
 * @param {string} s
3
 * @return {boolean}
4
 */
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var splitString = function (s) {
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  const backtracking = (index, prevStringValue) => {
7
    if (index === s.length) {
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      return true;
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    }
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    for (let i = index; i < s.length; i++) {
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      const currStringValue = s.slice(index, i + 1);
12

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      if (parseInt(prevStringValue, 10) === parseInt(currStringValue, 10) + 1) {
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        if (backtracking(i + 1, currStringValue)) {
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          return true;
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        }
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      }
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    }
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  };
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  // we need to have at least two values to compare, so we start with the for outside the backtracking function
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  for (let i = 1; i <= s.length - 1; i++) {
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    const currStringValue = s.slice(0, i);
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    if (backtracking(i, currStringValue)) {
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      return true;
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    }
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  }
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  return false;
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};