#html
<div class="user_code">
<input type="text" placeholder="请输入验证码" name="code" >
<input type="button" class="getCode" value="发送">
</div>
#js
var countdown=60;
send=function(obj){
if (countdown == 0) {
obj.removeAttr('disabled');
obj.attr('value','发送');
countdown = 60;
return;
} else {
obj.attr('disabled','disabled');
obj.attr('value',"重新发送(" + countdown + ")");
countdown--;
}
setTimeout(function() {
send(obj) }
,1000)
}
jquery 发送验证码60s倒计时,后重新发送
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转载自blog.csdn.net/mengzuchao/article/details/82149837
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