文档介绍：JavaScript复****大纲
考点一:date对象
:
<script language=JavaScript>
function getbth()
{var y=("year").value;
var m=("month").value;
var d=("day").value;
var bday=new Date(y,m,d);
var d=new Date();
var days=parseInt((()-())/1000/60/60/24/365);
("age").innerHTML="<font color='red'>你现在已经"+days+"周岁啦!</font>";
}
</script>
<script language="javascript" type="text/javascript">
function nowTime()
{
var now=new Date();
("nowtime").innerHTML=();
setTimeout("nowTime()",1000);
}
:
<script language="javascript" type="text/javascript">
function addtime(){
var time=;
var addtime=new Date();
var newtime=()+(time*24*60*60*1000);
(newtime);
=();}
</script>
考点二:表单验证
案例一:用户名不能为空,开户账户省份不能为空,开户账户城市不能为空
<SCRIPT language="JavaScript" >
function checkForm_user( )
{
if ( ==0)
{
alert("用户名不能为空!");
( );
return false;
}
else return true;
}
function checkForm_province( )
{
if ( ==0)
{
alert("请选择开户账号的省份!");
(