Battle of the characters (Easy).js

/*
Description:
Description:
Groups of characters decided to make a battle. Help them to figure out which group is more powerful. Create a function that will accept 2 variables and return the one who's stronger.

Rules:
Each character have its own power: A = 1, B = 2, ... Y = 25, Z = 26
Only capital chatacters can and will participate a battle.
Only two groups to a fight.
Group whose total power (A + B + C + ...) is bigger wins.
If the powers are equal, it's a tie.
Examples:
  battle("ONE", "TWO"); // => "TWO"`
  battle("ONE", "NEO"); // => "Tie!"
*/

function battle(x, y) {
  let f=x.split('').reduce((a,b)=>a+(b.charCodeAt()-64),0)
  let s=y.split('').reduce((a,b)=>a+(b.charCodeAt()-64),0)
  return f>s?x:s>f?y:'Tie!'
}