HTML5 給予了 Web 開發(fā)者更多的工具和資源，使得開發(fā)復(fù)雜應(yīng)用程序變得更加容易和直觀。斗地主是一個非常受歡迎的紙牌游戲，現(xiàn)在我們可以用 HTML5 的新特性來開發(fā)它。

// 創(chuàng)建一個包含所有牌的數(shù)組，每個元素包含點數(shù)和花色
var cards = [
{ point: 'A', suit: 'spades' }, { point: '2', suit: 'spades' }, { point: '3', suit: 'spades' }, { point: '4', suit: 'spades' },
{ point: '5', suit: 'spades' }, { point: '6', suit: 'spades' }, { point: '7', suit: 'spades' }, { point: '8', suit: 'spades' }, 
{ point: '9', suit: 'spades' }, { point: '10', suit: 'spades' }, { point: 'J', suit: 'spades' }, { point: 'Q', suit: 'spades' }, 
{ point: 'K', suit: 'spades' }, { point: 'A', suit: 'hearts' }, { point: '2', suit: 'hearts' }, { point: '3', suit: 'hearts' },
{ point: '4', suit: 'hearts' }, { point: '5', suit: 'hearts' }, { point: '6', suit: 'hearts' }, { point: '7', suit: 'hearts' },
{ point: '8', suit: 'hearts' }, { point: '9', suit: 'hearts' }, { point: '10', suit: 'hearts' }, { point: 'J', suit: 'hearts' }, 
{ point: 'Q', suit: 'hearts' }, { point: 'K', suit: 'hearts' }, { point: 'A', suit: 'clubs' }, { point: '2', suit: 'clubs' },
{ point: '3', suit: 'clubs' }, { point: '4', suit: 'clubs' }, { point: '5', suit: 'clubs' }, { point: '6', suit: 'clubs' },
{ point: '7', suit: 'clubs' }, { point: '8', suit: 'clubs' }, { point: '9', suit: 'clubs' }, { point: '10', suit: 'clubs' },
{ point: 'J', suit: 'clubs' }, { point: 'Q', suit: 'clubs' }, { point: 'K', suit: 'clubs' }, { point: 'A', suit: 'diamonds' },
{ point: '2', suit: 'diamonds' }, { point: '3', suit: 'diamonds' }, { point: '4', suit: 'diamonds' }, { point: '5', suit: 'diamonds' },
{ point: '6', suit: 'diamonds' }, { point: '7', suit: 'diamonds' }, { point: '8', suit: 'diamonds' }, { point: '9', suit: 'diamonds' }, 
{ point: '10', suit: 'diamonds' }, { point: 'J', suit: 'diamonds' }, { point: 'Q', suit: 'diamonds' }, { point: 'K', suit: 'diamonds' }
];
// 洗牌
function shuffleCards() {
for (var i = cards.length - 1; i >= 0; i--) {
var j = Math.floor(Math.random() * (i + 1));
var temp = cards[i];
cards[i] = cards[j];
cards[j] = temp;
}
}
// 發(fā)牌
function dealCards(playerCount, cardCount) {
var players = [];
for (var i = 0; i< playerCount; i++) {
players[i] = [];
}
for (var i = 0; i< cardCount; i++) {
for (var j = 0; j< playerCount; j++) {
players[j][i] = cards[i * playerCount + j];
}
}
return players;
}

上面的代碼創(chuàng)建了一個包含 52 張撲克牌的數(shù)組，并定義了兩個函數(shù)來洗牌和發(fā)牌。使用 Math.random() 函數(shù)將每個牌隨機排序，然后使用雙重 for 循環(huán)將牌平均分給所有的玩家。

HTML5 還可以使用 canvas 元素來渲染卡牌和游戲界面，使得游戲更加生動和真實。