scrolls.js

function scrolls(){
    $('body').on('click', '.link_to', function(e){
        e.preventDefault();

        var id      = $(this).attr('href');
        var scroll  = $(id).offset().top - 50;

        if(id == "#home"){ scroll = 0; }

        if($( window ).width() > 768){
            if(id == "#apps" || id == "#contact"){
                scroll -= 5;
            }
        }else{
            if(id != "#home"){
                scroll -= 20;
            }
        }

        if(id != "#home"){ $('.navbar-default .navbar-toggle').click(); }


          var media = $("body").height();
          var maxTime = 2000;
          
          var offset = $(id).offset().top;
          
          console.log(offset)
          
          var time = (offset * maxTime) / media;
          
          console.log(time, 'time');

        $('html, body').animate({
            scrollTop: scroll
        }, time);
    });
}