<form action="del.asp" method="post">
A <input name="id" type="checkbox" value="a"><br>
B <input type="checkbox" name="id" value="b"><br>
C <input type="checkbox" name="id" value="c">
<input type="submit" name="Submit" value="确定" onclick="return confirm('Are you sure to submit?');">
</form>
A <input name="id" type="checkbox" value="a"><br>
B <input type="checkbox" name="id" value="b"><br>
C <input type="checkbox" name="id" value="c">
<input type="submit" name="Submit" value="确定" onclick="return confirm('Are you sure to submit?');">
</form>
<!--
function checksubmit()
{
if (confirm("提交 ????"))
alert("数据提交 ")
else
alert("数据没有 提交 ") return false;
}
//-->
</script>
</head><body>
<form action="del.asp" method="post" onsubmit="javascript:checksubmit();">
A <input name="id" type="checkbox" value="a"><br>
B <input type="checkbox" name="id" value="b"><br>
C <input type="checkbox" name="id" value="c">
<input type="submit" name="Submit" value="确定">
</form>
</body>
</html>