IE - Fixed scrolling issue with navbar when scrolling up.

js/clean-blog.js

@@ -1003,30 +1003,30 @@ $(function() {
 
 // Navigation Scripts to Show Header on Scroll-Up
 jQuery(document).ready(function($) {
-    var MQL = 1170;
+  var MQL = 1170;
 
-    //primary navigation slide-in effect
+  //primary navigation slide-in effect
-    if ($(window).width() > MQL) {
+  if ($(window).width() > MQL) {
-        var headerHeight = $('.navbar-custom').height();
+    var headerHeight = $('.navbar-custom').height();
-        $(window).on('scroll', {
+    $(window).on('scroll', {
-                previousTop: 0
+          previousTop: 0
-            },
+        },
-            function() {
+        function() {
-                var currentTop = $(window).scrollTop();
+          var currentTop = $(window).scrollTop();
-                //check if user is scrolling up
+          //check if user is scrolling up
-                if (currentTop < this.previousTop) {
+          if (currentTop < this.previousTop) {
-                    //if scrolling up...
+            //if scrolling up...
-                    if (currentTop > 0 && $('.navbar-custom').hasClass('is-fixed')) {
+            if (currentTop > 0 && $('.navbar-custom').hasClass('is-fixed')) {
-                        $('.navbar-custom').addClass('is-visible');
+              $('.navbar-custom').addClass('is-visible');
-                    } else {
+            } else {
-                        $('.navbar-custom').removeClass('is-visible is-fixed');
+              $('.navbar-custom').removeClass('is-visible is-fixed');
-                    }
+            }
-                } else {
+          } else if (currentTop > this.previousTop) {
-                    //if scrolling down...
+            //if scrolling down...
-                    $('.navbar-custom').removeClass('is-visible');
+            $('.navbar-custom').removeClass('is-visible');
-                    if (currentTop > headerHeight && !$('.navbar-custom').hasClass('is-fixed')) $('.navbar-custom').addClass('is-fixed');
+            if (currentTop > headerHeight && !$('.navbar-custom').hasClass('is-fixed')) $('.navbar-custom').addClass('is-fixed');
-                }
+          }
-                this.previousTop = currentTop;
+          this.previousTop = currentTop;
-            });
+        });
-    }
+  }
-});
+});