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- function buildDeck() {
- const suits = ['spades', 'hearts', 'diamonds', 'clubs'];
- const ranks = ['A', '2', '3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K'];
- const deck = [];
- for (let r = 0; r < ranks.length; r++) {
- for (let s = 0; s < suits.length; s++) {
- deck.push({ ranks: ranks[r], suits: suits[s], value: r + 1 });
- }
- }
- return deck;
- }
- console.log(buildDeck())
- const compare = (firstCard, secondCard) => {
- const cardValue = firstCard.value - secondCard.value;
- return cardValue;
- }
- console.log(compare());
- const cardValue = firstCard.value - secondCard.value;
- TypeError: Cannot read property 'value' of undefined
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