scroll.js

$('body').attr('data-spy', 'scroll');
  $('body').attr('data-target', '#navbar-collapse-scroll');

// ===== Smooth Scroll ==== 
$(function() {
  $('a[href*="#"]:not([href="#"])').click(function() {
    if (location.pathname.replace(/^\//,'') == this.pathname.replace(/^\//,'') && location.hostname == this.hostname) {
      var target = $(this.hash);
      target = target.length ? target : $('[name=' + this.hash.slice(1) +']');
      if (target.length) {
        $('html, body').animate({
          scrollTop: target.offset().top
        }, 1000);
        return false;
      }
    }
  });
})

// ===== Scroll to Top ==== 
$(window).scroll(function() {
    if ($(this).scrollTop() >= 50) {        // If page is scrolled more than 10px
        $('#return-to-top').fadeIn(200);    // Fade in the arrow
    } else {
        $('#return-to-top').fadeOut(200);   // Else fade out the arrow
    }
});
$('#return-to-top').click(function() {      // When arrow is clicked
    $('body,html').animate({
        scrollTop : 0 }, 1000);              // Scroll to top of body   
});

// ===== Copyright Year =====
let date = new Date().getFullYear();
document.getElementById('currentyear').innerHTML = date;

// ===== Character Length =====
var maxLength = 100;
$('textarea').keyup(function() {
  var length = $(this).val().length;
  var length = maxLength-length;
  $('#chars').text(length);
});