Love vs friendship

[RazvanBugoi]

https://www.codewars.com/kata/59706036f6e5d1e22d000016/train/javascript

[RazvanBugoi]

function wordsToMarks(string){
  let obj = {
    a : 1,
    b : 2,
    c : 3,
    d : 4,
    e : 5, 
    f : 6,
    g : 7,
    h : 8,
    i : 9,
    j : 10,
    k : 11,
    l : 12,
    m : 13,
    n : 14,
    o : 15,
    p : 16,
    q : 17,
    r : 18,
    s : 19,
    t : 20,
    u : 21,
    v : 22,
    w : 23,
    x : 24,
    y : 25,
    z : 26
};
  return string.split('').map((element) => obj[element]).reduce((sum, current) => sum + current, 0);
}