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<head>
<title></title>
<script src="Scripts/jquery-1.4.1.js" type="text/javascript"></script>
<script type="text/javascript">
var times = 10;
var setIntervalId;
$(function () {
$("#btnOk").attr("disabled", true);
setIntervalId = setInterval("countTimes()", 1000);
});
function countTimes() {
if (times == 0) {
$("#btnOk").attr("disabled", false);
$("#btnOk").val("同意");
clearInterval(setIntervalId);
return;
}
else {
$("#btnOk").val("请仔细阅读条款" + times + "秒");
times--;
}
}
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<textarea>
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