Js中的window.parent ,window.top,window.self 详解 √
http://blog.****.net/zdwzzu2006/article/details/6047632
http://xxx/test1.html(同域)
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<iframe src="test2.html"></iframe>
<script>
console.log(top === self)
console.log(self === window)
console.log(self)
console.log(parent)
console.log(top)
</script>
</body>
</html>
test2.html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<script>
console.log(top === self)
console.log(self === window)
console.log(self)
console.log(parent)
console.log(top)
</script>
</body>
</html>