//Written using Nila. Visit http://adhithyan15.github.io/nila (function() { var container, fill, liquid; // This is a demo of default parameters fill = function(container,liquid) { if (container == null) { container = "cup"; } if (liquid == null) { liquid = "coffee"; } return console.log("Filling " + (container) + " with " + (liquid)); }; fill(); fill("cup"); fill("bowl","soup"); }).call(this);