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access top frames from within nested frames

  • 3 risposte
  • 1 ha questo problema
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  • Ultima risposta di jscher2000

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I have the following simple script in ann html-document within a nested frameset:

<script type="text/javascript" language="JavaScript"> </script>

The script is activated by the "onload" function in the body. This works flawlessly in Google Chrome, Microsoft Edge, Safari and Opera, bit not in Firefox (latest version).

Anyone any idea how to get it working in Firefox?

Soluzione scelta

Jos said

function InitAct()
  {
    window.top.frames.beam.location.replace("topvar1.html");
  }

Are you testing on the web or on disk? Firefox restricts file:/// access differently than http:// and https:// access.

Assuming on the web:

Are all the frames loading from the same origin? By origin I mean protocol + hostname.

Does Firefox post any error or security messages in either the Web Console for the tab, or in the global Browser console, when the script runs?

See:

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Soluzione scelta

Jos said

function InitAct()
  {
    window.top.frames.beam.location.replace("topvar1.html");
  }

Are you testing on the web or on disk? Firefox restricts file:/// access differently than http:// and https:// access.

Assuming on the web:

Are all the frames loading from the same origin? By origin I mean protocol + hostname.

Does Firefox post any error or security messages in either the Web Console for the tab, or in the global Browser console, when the script runs?

See:

È stato utile?

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Thanks very much for your answer! I was testing on disk (of course), but when I tested on the web it worked. Strange! I really don't understand why this should be like it is. But I'm glad now it works on the web.

È stato utile?

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The difference is to protect against an attack scenario where one saved file (which could be from the web) reads other content in the same folder or sub-folders. The change was made around Firefox 68, as explained in the following thread (which has a workaround): https://support.mozilla.org/questions/1264596

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