用js实现点击抽奖
用原生的JS来完成的一个小游戏，进行了简单的点击触发以及判断
css：
<style>* {margin: 0;padding: 0;}body {background-color: #f7f7f7;display: flex;justify-content: center;align-items: center;height: 100vh;margin: 0;}.container {background-color: white;padding: 30px;border-radius: 10px;box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);text-align: center;width: 300px;}h1 {font-size: 24px;color: #333;margin-bottom: 20px;}input[type="text"],input[type="number"] {width: 100%;padding: 10px;margin: 10px 0;border: 2px solid #ddd;border-radius: 5px;font-size: 16px;}button {background-color: #4CAF50;color: white;padding: 12px 20px;font-size: 16px;border: none;border-radius: 5px;cursor: pointer;width: 100%;margin-top: 10px;transition: background-color 0.3s ease;}button:hover {background-color: #45a049;}.btn {display: none;background-color: #008CBA;}.btn:hover {background-color: #007B9F;}.alert-message {font-size: 18px;color: #333;margin-top: 20px;}.btn-container {display: none;}</style>html
<div class="container"><h1>抽奖活动</h1><input type="text" id="types" placeholder="请输入年龄"><button onclick="getOld()" class="buttons">提交</button><div class="btn-container"><input type="number" id="hands" readonly><button class="btn" onclick="dclick()">点击</button></div><div id="message" class="alert-message"></div></div>js：
<script>const old = document.querySelector('#types');const buttons = document.querySelector('.buttons');const clicks = document.querySelector('#hands');const btn = document.querySelector('.btn');const message = document.querySelector('#message');function getOld() {// 清除之前旧的消息message.innerHTML = '';//获取并判断输入框内的值if (old.value < 18) {alert('青少年不让抽奖');} else if (old.value < 25) {alert('壮年不让抽奖');} else if (old.value < 60) {alert('只允许60岁以上老人抽奖');} else if (old.value > 100) {alert('请输入正确年龄');} else {alert('开始');//获取并更改点击框为显示状态document.querySelector('.btn-container').style.display = 'block';//设置为行内块clicks.style.display = 'inline-block';//设置为行内块btn.style.display = 'inline-block';//设置一个一次性定时器，当10s后执行内里语句setTimeout(function () {if (clicks.value >= 30 && clicks.value < 60) {message.innerHTML = '手速还不错吧';} else if (clicks.value >= 60 && clicks.value < 100) {message.innerHTML = '手速可以啊';} else if (clicks.value >= 100) {message.innerHTML = '你用连点器了吧？';} else if (clicks.value >= 10 && clicks.value < 30) {message.innerHTML = '菜就多练';}//完成以上一切以后清空所有数据，还原为最初样式getReset();}, 10000);}//若判断错误，即用户输入错误则清空值old.value = '';}function dclick() {//令第二个输入框内值自增clicks.value++;}//进行清空操作function getReset() {old.value = '';clicks.value = '';clicks.style.display = 'none';btn.style.display = 'none';document.querySelector('.btn-container').style.display = 'none';}</script>