Beginner Exercism • javascript

Scrabble Score

Challenge Overview

Your task is to compute a word's Scrabble score by summing the values of its letters.

Introduction

Scrabble is a word game where players place letter tiles on a board to form words. Each letter has a value. A word’s score is the sum of its letters’ values.

Instructions

Your task is to compute a word’s Scrabble score by summing the values of its letters.

The letters are valued as follows:

Letter	Value
A, E, I, O, U, L, N, R, S, T	1
D, G	2
B, C, M, P	3
F, H, V, W, Y	4
K	5
J, X	8
Q, Z	10

For example, the word “cabbage” is worth 14 points:

3 points for C
1 point for A
3 points for B
3 points for B
1 point for A
2 points for G
1 point for E

Source: Exercism javascript/scrabble-score

💡 View Solution

export const score = (word) => {
  const map = { A: 1, E: 1, I: 1, O: 1, U: 1, L: 1, N: 1, R: 1, S: 1, T: 1, D: 2, G: 2, B: 3, C: 3, M: 3, P: 3, F: 4, H: 4, V: 4, W: 4, Y: 4, K: 5, J: 8, X: 8, Q: 10, Z: 10 };
  return [...word.toUpperCase()].reduce((s, c) => s + (map[c] || 0), 0);
};