<!DOCTYPE html>
<html>
<head>
<title>浏览器对象</title>
<meta http-equiv="Content-Type" content="text/html; charset=gkb"/>
</head>
<body>
<!--先编写好网页布局-->
<div>
<h2>操作成功</h2>
<input type="text" id="txt" style="border:none; width:8px;"/>秒后返回到主页
</div>
<script type="text/javascript">
var num=5;
function numCount(){
document.getElementById('txt').value=num;
num=num-1;
}
setInterval("numCount()",1000);
function a(){
window.open('http://www.imooc.com','_parent');
}
setInterval("a()",5000);
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title>浏览器对象</title>
<meta http-equiv="Content-Type" content="text/html; charset=gkb"/>
</head>
<body>
<!--先编写好网页布局-->
<h1>操作成功</h1>
<span id="second" >5</span>
<span >秒后回到主页</span>
<a href="javascript:back();">返回</a>
<script type="text/javascript">
var num=document.getElementById("second").innerHTML;
//获取显示秒数的元素,通过定时器来更改秒数。
function count()
{
num--;
document.getElementById("second").innerHTML=num;
if(num==0)
{
location.assign("www.imooc.com");
}
}
setInterval("count()",1000);
//通过window的location和history对象来控制网页的跳转。
function back()
{
window.history.back();
}
</script>
</body>
</html>