<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<textarea name="" id="" cols="30" rows="10">
我就是协议,请仔细阅读
</textarea><br/>
<input type="button" value="请仔细阅读协议(5)" id="bt" disabled="disabled"/>
<script src="common.js"></script>
<script>
var time = 5;
var timeId = setInterval(function () {
time--;
my$("bt").value = "请仔细阅读协议(" + time + ")";
if (time <= 0) {
clearInterval(timeId);
my$("bt").value = "注册";
my$("bt").disabled = false;
}
}, 1000);
</script>
</body>
</html>
