Get substring from string - from position - to pos
/** * Substring (startPosition, endPosition): Get substring from string - from position - to pos * * @param x1 MyString * @param x2 start position * @param x3 end position * @return {Array} */ function neuron525(x1, x2, x3) { return[x1.toString().substring(x2, x3)]; } console.log(neuron525(124, 284, 452));