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Alex Rivera
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I found this question but trying to use the code given there: unsafeWindow.netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); const clipboardHelper = Components.classes["@mozilla.org/widget/clipboardhelper;1"] .getService(Components.interfaces.nsIClipboardHelper) ; clipboardHelper.copyString('test'); Gives the error message: A script from « http://example.com » was denied UniversalXPConnect privileges. I also tried to use ( from Mozilla site ): const gClipboardHelper = Components.classes["@mozilla.org/widget/clipboardhelper;1"] .getService(Components.interfaces.nsIClipboardHelper) ; gClipboardHelper.copyString("test2"); Which gives the error message: Components.classes is undefined . In both cases it doesn't work with the latest Firefox on Windows 7. What else should I try?
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