Pipes two functions

pipe.js

/*
    Pipes two functions
*/
function pipe(fn, fnPipe, obj){
    var fnx = function(){};
    if (typeof fn === 'function'){
        fnx = function(){
                var res = fn.apply(this, [].slice.apply(arguments));
                return typeof fnPipe === 'function' ? fnPipe.call(this, res) : res;
        }.bind(obj || window);
    }else{
      console.log('pipe warning not a function:', fn);
    }
    return fnx;
}