点击按钮出现60秒倒计时js代码
时间：2023年11月24日
/来源：网络
/编辑：佚名
亲测可以用的js方法
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>js倒计时测试</title>
<script type="text/javascript" src="js/jquery.js"></script>
</head>
<body>
<input type="button" id="btn" value="免费获取验证码" onclick="settime(this)" />
<script type="text/javascript"> var countdown=5; function settime(val) { if (countdown == 0) { val.removeAttribute("disabled"); val.value="免费获取验证码"; countdown = 6; return; } else { val.setAttribute("disabled", true); val.value="重新发送(" + countdown + ")"; countdown--; } setTimeout(function() { settime(val) },1000) } </script>
</body>
</html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>js倒计时测试</title>
<script type="text/javascript" src="js/jquery.js"></script>
</head>
<body>
<input type="button" id="btn" value="免费获取验证码" onclick="settime(this)" />
<script type="text/javascript"> var countdown=5; function settime(val) { if (countdown == 0) { val.removeAttribute("disabled"); val.value="免费获取验证码"; countdown = 6; return; } else { val.setAttribute("disabled", true); val.value="重新发送(" + countdown + ")"; countdown--; } setTimeout(function() { settime(val) },1000) } </script>
</body>
</html>
新闻资讯 更多
- 【建站知识】查询nginx日志状态码大于400的请求并打印整行04-03
- 【建站知识】Python中的logger和handler到底是个什么？04-03
- 【建站知识】python3拉勾网爬虫之（您操作太频繁，请稍后访问）04-03
- 【建站知识】xpath 获取meta里的keywords及description的方法04-03
- 【建站知识】python向上取整以50为界04-03
- 【建站知识】scrapy xpath遇见乱码解决04-03
- 【建站知识】scrapy爬取后中文乱码,解决word转为html 时cp1252编码问题04-03
- 【建站知识】scrapy采集—爬取中文乱码，gb2312转为utf-804-03
猜你需要
豫ICP备2021026617号-1
豫公网安备：41172602000185