How to submit a form in popup window by JAVASCRIPT

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Javascript

hi I have page called 1.html
it's code is :-



function sss (){
dd=window.open ("2.html");
dd.q.submit ();
}



and I other page called 2.html
it's code is:-







and when I run the commands "dd=window.open ("2.html");
dd.q.submit ();" on google chrome console I get the following message:-
SecurityError: Blocked a frame with origin "null" from accessing a cross-origin frame

What I have tried:

I search about this but I didn't find anything