Convert a String to a Number!.js

/*
Convert a String to a Number!

ESCRIPTION:

  We need a function that can transform a string into a number. What ways of achieving this do you know?
  
  Note: Don't worry, all inputs will be strings, and every string is a perfectly valid representation of an integral number.
  
  Examples
  "1234" --> 1234
  "605"  --> 605
  "1405" --> 1405
  "-7" --> -7

SOLUTION: 
*/
const stringToNumber = (str) => parseInt(str)