关于iframe的js的事件

//a.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-loose.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title></title>
<style type="text/css">
</style>
<script>
function aChange(n){
document.getElementById("console").innerHTML = document.getElementById("console").innerHTML + n;
}
</script>
</head>
<body>
<iframe id="ffff" width="500" height="300"></iframe>
<div id="console"></div>
</body>
</html>
<script>
document.getElementById("ffff").src = "b.html";
</script>
//b.html
<html>
<head>
<title>myPage</title>
<script>
function change(n){
window.parent.aChange(n);
}
</script>
</head>
<body>
<span onClick="change(this.innerHTML)" style="background-color:#066;">click me!</span>
</body>
</html>

解决方案 »

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b.asp中 js用window.parent.方法()可以直接获取到父窗体的方法
同样也可以通过window.parent.变量为父窗体变量赋值
加上操作变量的：
////////////////////////////////////////////////////////////////a.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-loose.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title></title>
<style type="text/css">
</style>
<script>
var num = 0;
function aChange(n,count){
num = count;
document.getElementById("console").innerHTML = document.getElementById("console").innerHTML + n+num+"次";
}
</script>
</head>
<body>
<iframe id="ffff" width="500" height="300"></iframe>
<div id="console"></div>
</body>
</html>
<script>
document.getElementById("ffff").src = "b.html";
</script>
//////////////////////////////////////////////////////////////b.html
<html>
<head>
<title>myPage</title>
<script>
var count = 0;
function change(n){
count++;
window.parent.aChange(n,count);
}
</script>
</head>
<body>
<span onClick="change(this.innerHTML)" style="background-color:#066;">click me!</span>
</body>
</html>
<script>alert("hello")</script>