JavaScript Implementation of function currying - By adding a curry method to the Function prototype

curry.js

Function.prototype.curry = function( ) {
	var slice = Array.prototype.slice,
		self = this,
		totalargs = self.length,
		partial = function( args, fn ) {
			return function( ) {
				return fn.apply( {}, args.concat( slice.call( arguments ) ) );
			}
		},
		fn = function( ) {
			var args = slice.call( arguments );
			return ( args.length < totalargs ) ?
				partial( args, fn ) :
				self.apply( {}, slice.apply( arguments, [ 0, totalargs ] ) );
		};
	return fn;
};

the arguments is a array-like object, there is no slice in it.