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  • js实现倒计时60秒的简单代码

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title>js实现倒计时60秒的简单代码(推荐)</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>

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  • 原文地址:https://www.cnblogs.com/MartinLee/p/7622511.html
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