该吃中饭了,那么吃完中饭谁洗碗呢,这个幸运的小伙伴就交给我们的责任重大的随机点名器决定吧。你们也可以试试哟!你洗你洗你洗......
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <title>随机洗碗点名器</title> <style> .box{ width: 350px; height: 130px; padding: 25px; position: absolute; left: 50%; top: 50%; margin-left: -175px; margin-top: -75px; border: 1px solid #000; } .name{ height: 70px; border: 1px solid #ccc; text-align: center; font-size: 30px; font-weight: 700; line-height: 70px; } .btn{ margin-top: 15px; height: 45px; width: 100%; font-size: 25px; outline: none; cursor: pointer; font-family: "Microsoft YaHei"; } </style> </head> <body> <div class="box"> <div class="name" id="name">洗碗点名器</div> <button class="btn" id="btn" onclick="gotoRun()">开 始</button> </div> <script> var nameLi = [‘小朋友洗碗‘, ‘颖姐姐洗碗‘, ‘老霍洗碗‘, ‘燃哥哥洗碗‘, ‘冯姐姐洗碗‘]; // 声明时间变量 var timer = null; function gotoRun () { // 获取button元素 var button = document.getElementById(‘btn‘); // 判断是开始还是结束 if (timer === null) { // 开启定时 timer = setInterval(getName, 100); // 把button的内容改掉 button.innerHTML = "暂停"; } else { clearInterval(timer); button.innerHTML = "开始"; timer = null; } } function getName() { var index = Math.floor(Math.random() * nameLi.length) ; document.getElementById("name").innerHTML = nameLi[index]; } </script> </body> </html>
时间: 2024-10-10 10:41:16