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Error: Permission denied to access property "x"

The JavaScript exception "Permission denied to access property" occurs when there was an attempt to access an object for which you have no permission.

Message

Error: Permission denied to access property "x"

Error type

What went wrong?

There was attempt to access an object for which you have no permission. This is likely an <iframe> element loaded from a different domain for which you violated the same-origin policy.

Examples

No permission to access document

<!DOCTYPE html>
<html>
  <head>
    <iframe id="myframe" src="http://www1.w3c-test.org/common/blank.html"></iframe>
    <script>
      onload = function() {
        console.log(frames[0].document);
        // Error: Permission denied to access property "document"
      }
    </script>
  </head>
  <body></body>
</html>

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Property_access_denied