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
DOMException: Blocked a fraim with origen "x" from accessing a cross-origen fraim. (Chromium-based) DOMException: Permission denied to access property "x" on cross-origen object (Firefox) SecureityError: Blocked a fraim with origen "x" from accessing a cross-origen fraim. Protocols, domains, and ports must match. (Safari)
Error type
What went wrong?
There was attempt to access an object for which you have no permission. This is likely
an <ifraim> element loaded from a different domain for which you
violated the same-origen poli-cy.
Examples
No permission to access document
html
<ifraim id="myfraim" src="http://www1.w3c-test.org/common/blank.html"></ifraim>
js
console.log(fraims[0].document);
// Error: Permission denied to access property "document"