<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html
xmlns="http://www.w3.org/1999/xhtml" >
<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--;
}
}
</script>
</head>
<body>
<textarea
>
sdfsdfsdfihoserfidfvg
</textarea>
<input type ="button"
value ="同意" id ="btnOk" />
</body>
</html>
原文地址：http://www.cnblogs.com/sumg/p/3742751.html
