zoukankan      html  css  js  c++  java
  • 倒计时60s 代码

    <!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>无标题文档</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=60; 
    function settime(val) { 
    if (countdown == 0) { 
    val.removeAttribute("disabled");    
    val.value="免费获取验证码"; 
    countdown = 60; 
    } else { 
    val.setAttribute("disabled", true); 
    val.value="重新发送(" + countdown + ")"; 
    countdown--; 
    } 
    setTimeout(function() { 
    settime(val) 
    },1000) 
    } 
    </script> 
    </body> 
    </html> 
  • 相关阅读:
    局域网组网总目录
    VLAN之间的通信
    DHCP
    ACL
    linux 程序后台运行
    VLAN
    VTP
    dubbox生产者与消费者案例
    String data jpa执行的增删改查
    StringBoot整合Mytais实现数据查询与分页
  • 原文地址:https://www.cnblogs.com/daiwenru/p/6281778.html
Copyright © 2011-2022 走看看