Curried Add

curried-add.js

function add(a,b,c){ return a+b+c; }  

function curry(fn) {  
  return function curried() {
    var args = [].slice.call(arguments);
    return args.length >= fn.length ?
      fn.apply(null, args) :
      function () {
        var rest = [].slice.call(arguments);
        console.log(args);
        return curried.apply(null, args.concat(rest));
    }; 
  };
};

var curriedAdd = curry(add);
curriedAdd(1)(2)(3);