IE方法：
document.frames['myFrame'].document.getElementById('test').value;
火狐方法：
document.getElementById('myFrame').contentWindow.document.getElementById('test').value;
IE、火狐方法：
var tmp = '';
if(document.frames){
tmp += 'ie哥说：';
tmp += document.frames['myFrame'].document.getElementById('test').value;
}else{
tmp = document.getElementById('myFrame').contentWindow.document.getElementById('test').value;
}
alert(tmp);
}
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
