今天有人问偶:＂有没有什么办法用javascript判断当前页面是否刷新过, 和.net里面ispostback一样"。恩～BLOG太空了！把给她的Demo贴出来吧！
全部代码
1
<html>
2<head>
3<script>
4function count()
5
{
6
var obj=document.getElementById("myHide");
7 if (obj)
8
{
9 var c=obj.value;
10 obj.value=c+1;
11
}
12
}
13function onBtn()
14{
15 var obj=document.getElementById("myHide");
16 if (obj)
17 alert("第"+obj.value.length+"次加载！");
18}
19</script>
20</head>
21<body onbeforeunload="count();">
22<input type="hide" id="myHide" value="0">
23<input type="button" id="myBtn" value="第几次加载" onClick="onBtn()">
24</body>
25</html>
全部代码1
<html>2
<head>3
<script>4
function count()5
{6
var obj=document.getElementById("myHide");7
if (obj)8
{9
var c=obj.value;10
obj.value=c+1;11
}12
}13
function onBtn()14
{15
var obj=document.getElementById("myHide");16
if (obj)17
alert("第"+obj.value.length+"次加载！");18
}19
</script>20
</head>21
<body onbeforeunload="count();">22
<input type="hide" id="myHide" value="0">23
<input type="button" id="myBtn" value="第几次加载" onClick="onBtn()">24
</body> 25
</html>