on scroll change navbar color

1$(document).ready(function(){
2    $(window).scroll(function(){
3        if($(window).scrollTop() > $(window).height()){
4            $(".menu").css({"background-color":"transparent"});   
5        }
6        else{
7            $(".menu").css({"background-color":"white"});
8        }
9
10    })
11})
12

1$(function () {
2  $(document).scroll(function () {
3    var $nav = $(".navbar-fixed-top");
4    $nav.toggleClass('scrolled', $(this).scrollTop() > $nav.height());
5  });
6});