<!
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
>
时间: 2024-10-07 04:10:47