.slate.js

S.bind('l:ctrl', S.operation('corner', {
    'direction': 'top-left',
    'width': 'screenSizeX*0.75',
    'height': 'screenSizeY'
}));


S.bind('r:ctrl', S.operation('corner', {
    'direction': 'top-right',
    'width': 'screenSizeX*0.25',
    'height': 'screenSizeY'
}));


var throwToOtherScreen = S.operation('throw', {
    'screen': function() {
      var ct = slate.screenCount();
      var sid = slate.window().screen().id();
      return ((sid + 1) % ct).toString();
    }
});

S.bind('1:ctrl,alt', throwToOtherScreen);

thanks!