父级：parent.html

调用孩子方法：fuji.window.functionName();

<!doctype html>

<html>


<head>

<script type="text/javascript">

function say() {

alert("parent.html------>I'm at parent.html");

}


function callChild() {

//document.frames("myFrame").f1();

myFrame.window.say();

}

</script>

</head>


<body>

<input type=button value="调用child.html中的函数say()" onclick="callChild()">

<iframe name="fuji" src="child.html"></iframe>

</body>


</html>

父级：child.html

调用孩子方法：parent.functionName();

<!doctype html>

<html>


<head>

<script type="text/javascript">

function say() {

alert("child.html--->I'm at child.html");

}


function callParent() {

parent.say();

}

</script>

</head>


<body>

<input type=button value="调用parent.html中的say()函数" onclick="callParent()">

</body>


</html>