window.location.href parent.location.href top.location.href
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"window.location.href"、"location.href"是本页面跳转.
"parent.location.href" 是上一层页面跳转.
"top.location.href" 是最外层的页面跳转.
举例说明:
如果A,B,C,D都是html,D是C的iframe,C是B的iframe,B是A的iframe,如果D中js这样写
"window.location.href"、"location.href":D页面跳转
"parent.location.href":C页面跳转
"top.location.href":A页面跳转
如果D页面中有form的话,
<form>: form提交后D页面跳转
<form target="_blank">: form提交后弹出新页面
<form target="_parent">: form提交后C页面跳转
<form target="_top"> : form提交后A页面跳转
如果访问的是iframe里面的页面,重新加载最外层的页面
<html>
<head>
<title></title>
<script language="javascript">
function escapeFrame(){
if (window.top.location.href != window.location.href) {
window.top.location.reload();
}
}
</script>
</head>
<body onload="escapeFrame()">
<iframe src="b.html" ></iframe>
</body>
</html>
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