JSFiddle - React, Tailwind, and code Playground

JavaScript

function createWindowSec(){
    wsec = window.open(
        "security.html",
        "tester",
        "width=400,height=400,left=10,top=10,scrollbars=no,toolbar=no,menubar=yes,location=yes,status=no"
    );
    
    if (!wsec) {
        return false;
    }
    else {
        wsec.document.write('<!DOCTYPE html><html><head><title>Bernhard</title></head><body><p>I am here</p></body></html>');
        
        return true;
    }
}

console.log(createWindowSec());