手机验证码JQUERY实现

时间：2023-03-09 02:26:33
手机验证码JQUERY实现 
<!DOCTYPE html>

<html>

<head>

<script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script>

<script type="text/javascript">

var countdown=60;

function settime(obj) {

    if (countdown == 0) {

        obj.removeAttribute("disabled");

        obj.value="免费获取验证码";

        countdown = 60;

        return;

    } else {

        obj.setAttribute("disabled", true);

        obj.value="重新发送(" + countdown + ")";

        countdown--;

    }

setTimeout(function() {

    settime(obj) }

    ,1000)

}

</script>

<body>

<input type="button" id="btn" value="免费获取验证码" onclick="settime(this)" /> 

</body>

</html>

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