[JS][6kyu] Simple card game

codewars/6kyu/simple-card-game/koronya.js

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+// [JS][6kyu] Simple card game
+// simple-card-game
+// https://www.codewars.com/kata/53417de006654f4171000587/train/javascript
+
+const SCORE_LIST = ['2', '3', '4', '5', '6', '7', '8', '9', 'T', 'J', 'Q', 'K', 'A']
+const getScore = (card) => SCORE_LIST.indexOf(card)
+
+const winner = (deckSteve, deckJosh) => {
+  let steveScore = 0
+  let joshScore = 0
+  const deckLength = deckSteve.length
+  for (let i = 0; i < deckLength; i += 1 || 0) {
+    const steveCard = getScore(deckSteve[i])
+    const joshCard = getScore(deckJosh[i])
+    if (steveCard > joshCard) {
+      steveScore += 1
+    } else if (steveCard < joshCard) {
+      joshScore += 1
+    }
+  }
+
+  if (steveScore > joshScore) {
+    return `Steve wins ${steveScore} to ${joshScore}`
+  } else if (steveScore < joshScore) {
+    return `Josh wins ${joshScore} to ${steveScore}`
+  } else {
+    return `Tie`
+  }
+}
+
+winner(['A', '7', '8'], ['K', '5', '9'])
+winner(['T', '9'], ['T', '8'])
+winner(['T'], ['T'])