介绍：
一个简单的打怪小游戏，点击开始游戏后，出现攻击按钮，击败怪物后可以选择继续下一关和结束游戏。
继续下一个怪兽的血量会增加5点，攻击按钮会随机变色。
效果图：
html代码：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>打怪</title>
<link rel="stylesheet" href="../layui/css/layui.css" media="all">
<style>
/* 添加样式以中心布局两个游戏并增加一些间距 */
.game-container {
text-align: center;
margin: 5% auto;
}
.game-container > button {
margin: 0 5px; /* 添加按钮间距 */
}
#result, #message {
margin: 20px 0;
}
</style>
</head>
<body>
<!-- 在HTML中添加开始游戏按钮 -->
<div class="game-container">
<h1>打怪小游戏</h1>
<h2 id="monster">怪物 HP: <span id="monsterHp">10</span></h2>
<button id="startGameButton" class="layui-btn layui-btn-primary">开始游戏</button>
<button id="attackButton" class="layui-btn layui-btn-warm" style="display: none;">攻击怪物</button>
<button id="nextLevelButton" class="layui-btn layui-btn-normal" style="display: none;">进入下一关</button>
<button id="endGameButton" class="layui-btn layui-btn-danger" style="display: none;">结束游戏</button>
<p id="message"></p>
</div>
<script src="./gamejs/game.js"></script>
</body>
</html>js代码：
document.addEventListener('DOMContentLoaded', () => {
const monsterHpElement = document.getElementById('monsterHp');
const messageElement = document.getElementById('message');
const startGameButton = document.getElementById('startGameButton');
const nextLevelButton = document.getElementById('nextLevelButton');
const endGameButton = document.getElementById('endGameButton');
let initialHp = 10;
let monsterHp;
let level = 1;
const hpIncrease = 5;
const attackButton = document.getElementById('attackButton');
function startGame() {
monsterHp = initialHp;
level = 1;
monsterHpElement.innerText = monsterHp;
messageElement.innerText = '怪物出现了！';
resetAttackButtonColor();
attackButton.style.display = 'inline-block';
startGameButton.style.display = 'none';
}
function updateMonsterStatus() {
if (monsterHp > 0) {
monsterHp--;
monsterHpElement.innerText = monsterHp;
messageElement.innerText = `怪物受到伤害！还剩 ${monsterHp} 生命值。`;
} else {
nextLevelButton.style.display = 'inline-block';
endGameButton.style.display = 'inline-block';
attackButton.style.display = 'none';
messageElement.innerText = '恭喜你，打败了怪物！选择下一步操作。';
}
}
function levelUp() {
level++;
monsterHp = initialHp + hpIncrease * (level - 1);
monsterHpElement.innerText = monsterHp;
messageElement.innerText = `第 ${level} 关开始！怪物生命值为 ${monsterHp}。`;
attackButton.style.display = 'inline-block';
nextLevelButton.style.display = 'none';
endGameButton.style.display = 'none';
changeAttackButtonColor();
}
function endGame() {
messageElement.innerText = '游戏结束，感谢您的玩耍！点击下方按钮可以重新开始。';
attackButton.style.display = 'none';
nextLevelButton.style.display = 'none';
endGameButton.style.display = 'none';
startGameButton.style.display = 'inline-block'; // 显示开始游戏按钮
}
function resetAttackButtonColor() {
attackButton.className = 'layui-btn layui-btn-warm'; // 这里设置默认的按钮颜色样式
}
function changeAttackButtonColor() {
// 定义一组可能的颜色
const colors = ['layui-btn-primary', 'layui-btn-normal', 'layui-btn-warm', 'layui-btn-danger'];
// 随机选择一个颜色
const randomColor = colors[Math.floor(Math.random() * colors.length)];
attackButton.className = `layui-btn ${randomColor}`; // 更新按钮的 class 以改变颜色
}
startGameButton.addEventListener('click', startGame);
nextLevelButton.addEventListener('click', levelUp);
endGameButton.addEventListener('click', endGame);
attackButton.addEventListener('click', updateMonsterStatus);
});
document.addEventListener02('DOMContentLoaded', () => {
const monsterHpElement = document.getElementById('monsterHp');
const messageElement = document.getElementById('message');
const startGameButton = document.getElementById('startGameButton');
const nextLevelButton = document.getElementById('nextLevelButton');
const endGameButton = document.getElementById('endGameButton');
let initialHp = 10;
let monsterHp;
let level = 1;
const hpIncrease = 5;
const attackButton = document.getElementById('attackButton');
function startGame() {
monsterHp = initialHp;
level = 1;
monsterHpElement.innerText = monsterHp;
messageElement.innerText = '怪物出现了！';
attackButton.style.display = 'inline-block';
startGameButton.style.display = 'none';
}
function updateMonsterStatus() {
if (monsterHp > 0) {
monsterHp--;
monsterHpElement.innerText = monsterHp;
messageElement.innerText = `怪物受到伤害！还剩 ${monsterHp} 生命值。`;
} else {
nextLevelButton.style.display = 'inline-block';
endGameButton.style.display = 'inline-block';
attackButton.style.display = 'none';
messageElement.innerText = '恭喜你，打败了怪物！选择下一步操作。';
}
}
function levelUp() {
level++;
monsterHp = initialHp + hpIncrease * (level - 1);
monsterHpElement.innerText = monsterHp;
messageElement.innerText = `第 ${level} 关开始！怪物生命值为 ${monsterHp}。`;
attackButton.style.display = 'inline-block';
nextLevelButton.style.display = 'none';
endGameButton.style.display = 'none';
}
function endGame() {
messageElement.innerText = '游戏结束，感谢您的玩耍！点击下方按钮可以重新开始。';
attackButton.style.display = 'none';
nextLevelButton.style.display = 'none';
endGameButton.style.display = 'none';
startGameButton.style.display = 'inline-block'; // 显示开始游戏按钮
}
startGameButton.addEventListener('click', startGame);
nextLevelButton.addEventListener('click', levelUp);
endGameButton.addEventListener('click', endGame);
attackButton.addEventListener('click', updateMonsterStatus);
});