Answers for "electron set menu bar visibility"

electron remove default menu

//Remove default menu for every new window
electron.app.on('browser-window-created',function(e,window) {
      window.setMenu(null);
});

electron hide top bar

mainWindow.setMenuBarVisibility(false) //partially

electron hide menu bar

appWindow = new BrowserWindow({
    fullscreen: true,
    autoHideMenuBar: true,
  })