检查网页是否位于Google Chrome的Iframe中 [英] Check if page is in Iframe for Google Chrome

问题描述

我已经尝试了很多窗口属性来查看iframe中的页面是否可以判断它是否在iframe中。我曾尝试过：

I have tried many properties of window to see if a page in an iframe can tell if it is in an iframe. I have tried:

if(top.location!= self.location) //doesn't work in Google Chrome
   alert("I am in an iframe!")

这不起作用在所有浏览器上，但Chrome）。我正在为Firefox和Chrome编写一个userscript，但Chrome确实不行。有没有办法判断Chrome是否可以检测到它的页面是否在iframe中？

And this doesn't work (works on all browsers but Chrome). I am writing a userscript for Firefox and Chrome but Chrome really doesn't behave. Is there a way to tell if Chrome can detect if its page is in an iframe?

推荐答案

这适用于框架我认为它也适用于iFrames

This works for frames I would assume it also works with iFrames

if (top === self) { 
  // no frame
} else { 
  //frame 
}

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