标签:color htm 计时 script element doc fun title 发送
获取手机验证码倒计时
<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>获取验证码</title>
        <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
    
    </head>
    <body>
        <input type="button" id="btn" value="获取验证码" />
        <script type="text/javascript">
            var wait = 60;
            function time(o) {
                if(wait == 0) {
                    o.removeAttribute("disabled");
                    o.value = "重新获取验证码";
                    wait = 60;
                } else {
                    o.setAttribute("disabled", true);
                    o.value = "重新发送(" + wait + ")";
                    wait--;
                    setTimeout(function() {
                        time(o)
                    },1000);
                }
            }
            document.getElementById("btn").onclick = function() {
                time(this);
            }
        </script>
    </body>
</html>
标签:color htm 计时 script element doc fun title 发送
原文地址:https://www.cnblogs.com/bolin-123/p/9175711.html