欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  IT编程

jquery 60s倒计时

程序员文章站 2022-10-23 10:24:58
前端开发中经常用到的发送按钮倒计时,每次都是重写,挺麻烦的,记录一下,以后直接来复制代码 ......

前端开发中经常用到的发送按钮倒计时,每次都是重写,挺麻烦的,记录一下,以后直接来复制代码

<!DOCTYPE html>
<html>
    <head>
        <meta http-equiv="content-type" content="text/html; charset=UTF-8">
        <meta content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no" id="viewport" name="viewport">
        <title>60s倒计时</title>
        <script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script>
    </head>
    <body>
        <input type="button" value="邮箱验证码" onclick="sendVerificationCode(this)" />
            
        <script type="text/javascript">
            //发送验证码按钮的60s倒计时
            var countdown = 60;
            function sendVerificationCode(obj) {
                if(countdown == 0) {
                    obj.removeAttribute("disabled");
                    obj.value = "重新获取";
                    countdown = 60;
                    return;
                } else {
                    obj.setAttribute("disabled", true);
                    obj.value = "重新(" + countdown + ")";
                    countdown--;
                }
                setTimeout(function() {
                    sendVerificationCode(obj)
                }, 1000)
            }
        </script>
    </body>
</html>