var console3 = { main: function(C){ C.WriteLine("Type a number to print random lines"); C.ReadLine(function(e){ var l = parseInt(e); for (var i = 0; i < l; i++) { C.WriteLine(getRandomArbitrary(1000,9999)); } C.WriteLine("Chose which lines to delete"); C.ReadLine(function(e){ C.Remove(parseInt(e)); }); }); } }; function getRandomArbitrary(min, max) { return Math.random() * (max - min) + min; }